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Encyclopedia > Rhetor

Rhetoric (from Greek ρητωρ, rhtr, "orator") is one of the three original liberal arts or trivium (the other members are dialectic and grammar). While it has meant many different things during its 2500-year history, it is generally described today as the art of persuasion through language. Rhetoric can describe a persuasive way in which one relates a theme or idea in an effort to convince.



Rhetoric is as old as language. Organized thought about rhetoric began in ancient Greece. The first written manual is attributed to Corax and Tisias. Rhetoric was popularized in the 5th century BC by itinerant teachers known as sophists, the best known of whom were Protagoras, Gorgias, and Isocrates.

Plato and Aristotle

Plato is the great historical enemy of the sophistic movement. For Plato, the essence of philosophy lay in the process of dialectic, in which reason and discussion progressively lead to the discovery of important truths. Plato believed that the sophists cared not for the truth of an argument, but only how they might appear to win it.

Two of Plato's dialogues are especially focused upon rhetoric. The Gorgias emphasizes Plato's contention that the sophists value style over substance. Philosophy and rhetoric are related in the same way as are medicine and cosmetics. That is, medicine (like philosophy) is concerned with what is truly best for its subjects, whereas cosmetics (like rhetoric) is concerned solely with appearances. The Phaedrus was written after the Gorgias. While it continues Plato's critique of rhetoric, he also holds out the possibility that a rhetoric may yet be devised which is true and noble.

In fact, the rhetoric developed by Plato's student, Aristotle, can be seen as just such a rhetoric. In the first sentence of The Art of Rhetoric, Aristotle describes rhetoric as the counterpart of dialectic. By this, he means that, while dialectical methods are necessary to find truth, rhetorical methods are required to communicate it.

Aristotle defined rhetoric as "the faculty of observing in any given case the available means of persuasion." With this definition Aristotle placed invention, or the discovery of lines of argument, at the very center of the rhetorical enterprise. In doing so he set his system apart from that of the sophists, which focused on outcomes of public speaking. For Aristotle, then, rhetoric is an architectonic, rather than a productive, art. The question of the moral nature of this art has remained one of great debate among scholars of rhetoric.

Aristotle's treatise on rhetoric was an attempt to systematically describe rhetoric as a human art or skill (techne). He identified three different types of rhetorical proof: ethos, pathos, and logos. Logos consists of the use of language in constructing an argument. Pathos concerns emotional appeals. Ethos focuses upon how the character of a speaker influences an audience to consider him to be believable. He also identified three different types of rhetoric: forensic (concerned with determining truth or falsity of events that took place in the past), deliberative (concerned with determining whether or not particular actions should or should not be taken in the future), and epideictic (concerned with praise and blame, demonstrating beauty and skill in the present).

Also very important in Aristotle's scheme are Kairos, the context in which the proof will be delivered, The Audience, the psychological and emotional makeup of those who will receive the proof, and To Prepon, the style with which he clothes his proof. In order for rhetoric to be effective, the orator must be sensitive to these elements. He must realize that the context will constrict what he can say and what will be considered relevant. He must attune his message to his audience, or he will risk alienating or disgusting his audience. And he must embody his ideas in a way that is both proper to the occasion and to his audience. For example, the orator would not use colloquial or slang language if he was speaking about a lofty topic. Indeed, all three elements are intertwined: The character of the audience will define how the orator judges the context, the context will define the style he will use, and, through the experimentation, the style will influence what the context consists of.

While Western philosophy has tended to emphasize Logos, Aristotle's three bases of evidence provide a philosophical foundation for the broadly conceived psycho-social or behavioral sciences where accounting for non-rational factors in human behavior is necessary for explanatory completeness. Especially professions or occupations in applied social sciences, such as psychotherapy are based in the practice of persuasion, or rhetoric in Aristotle's broad conception.

Roman rhetoricians

The Romans were great borrowers, and they found much value in Aristotle's rhetoric. Cicero and Quintilian were chief among Roman rhetoricians, and their work is clearly an extension of Aristotle's. In particular, Quintilian codified rhetorical studies under five canons that would persist for centuries in academic circles. Inventio (invention) is the process that leads to the development and refinement of an argument. Once an argument is developed, it is up to dispositio (disposition, or arrangement) to determine how it should be organized for greatest effect. Once the speech content is known and the structure is determined, the next steps involve pronuntiatio (language choice) and elocutio (delivery). Finally, memoria (memory) comes to play as the speaker recalls each of these elements during the speech.

Renaissance and modern developments

After the Roman Empire, the study of rhetoric went into decline for several hundred years as it became associated with poetry and literature rather than persuasion per se. In the 16th century, after long domination by Scholasticism and Aristotelian thinking, Petrus Ramus proposed to reorganize the school curriculum of the day. Breaking with the traditional divisions of the liberal arts, he proposed something similar to the contemporary division of universities into multiple schools and departments of study (in fact, Ramus is the ultimate source of this organizational scheme). His efforts succeeded. The five components of rhetoric no longer lived under the common heading of rhetoric. Instead, invention and disposition were determined to fall under the heading of philosophy, while language, delivery, and memory were all that remained for rhetoric.

Once stripped of its more substantial elements, rhetoric became a much less prestigious topic of study. Much as Plato originally condemned the rhetoric of the sophists for its lack of concern for truth, rhetoric now came to be associated with emptiness: it ceased to be connected with ideas. In popular use, this connotation persists to this day. However, the term is still used in a deeper and more constructive sense in the study of human communication.

At the turn of the twentieth century, there was a revival of rhetorical study manifested in the establishment of departments of rhetoric and speech at academic institutions, as well as the formation of national and international professional organizations. Theorists generally agree that a significant reason for the revival of the study of rhetoric was the renewed importance of language and persuasion in the increasingly mediated environment of the twentieth century. The rise of advertising and of mass media such as photography, telegraphy, radio, and film brought rhetoric more prominently into people's lives.

Current state of rhetorical study

Rhetorical theory today is as much influenced by the research results and research methods of the behavioral sciences and by theories of literary criticism as by ancient rhetorical theory. Early rhetorical theorists attempted to turn the study of rhetoric into a social science that allowed predictive analyses of human behavior. Interdisciplinary scholars of symbol systems, such as Hugh Duncan, Ernst Cassirer, and most notably Kenneth Burke, influenced a new generation of rhetorical scholars who drew from various disciplines to more fully comprehend the phenomenon of human communication in all its aspects. While ancient rhetorical scholarship had focused only on rhetoric as oral speech, contemporary rhetorical theorists are interested in the panoply of human symbolic behavior—both the spoken and written word as well as music, film, radio, television, etc. Thus Kenneth Burke, who defined the human being as the "symbol-using animal," defined rhetoric as "the use of symbols to induce cooperation in those who by nature respond to symbols." Current rhetorical theory also draws heavily from cultural studies and design studies.


  • Classical (Greek)
  • Classical (Roman)
    • Cicero (106-43 BC) -- Great Roman orator and philsopher
    • Quintilian (35-100) -- Imperial professor of rhetoric, complete system of rhetorical education
    • Libanius (314-394) -- prominent practitioner and teacher in the Later Roman Empire
    • Aelius Festus Aphthonius -- 3rd century practitioner and author of a progymnasmata (a book of practical exercises for developing creative thought in writing)
  • Medieval
  • Renaissance
    • Desiderius Erasmus (c. 1466-1536) -- Dutch scholar, wrote on style and composition
    • Juan Lus Vives (1492-1540) -- established pattern of rhetorical education in English
    • Leonard Cox -- produced first rhetoric handbook in English --Arte or Crafte of Rhetoryke (1530)
    • Giambattista Vico (1668-1744) -- recognized that language shaped genius and not the reverse, well known for the New Science and On the Study Methods of Our Time.
    • Thomas Wilson (c. 1525-1581) -- neoclassicist, wrote most popular English Renaissance rhetoric handbook - The Arte of Rhetorique (1553)
  • Modern
  • Contemporary
    • Kenneth Burke
    • James Kinneavy
    • Chaim Perelman
    • Richard A. Lanham
    • Stephen Toulmin

(Definitions, discussion of conflicting opinions, ending with synthesis: a working general definition of rhetoric for this article)

See also

Rhetorical remedies

External links

Wikiquote has a collection of quotations related to:
  • Silva Rhetoricae (http://humanities.byu.edu/rhetoric/silva.htm)
  • EServer Rhetoric and Composition (http://rhetoric.eserver.org/)
  • Figures of Speech (http://www.godstruthfortoday.org/Library/bullinger/FiguresOfSpeech.html) by E.W. Bullinger Systematically Classified
  • A Glossary of Rhetorical Terms with Examples (http://www.uky.edu/ArtsSciences/Classics/rhetoric.html) by Division of Classics at The University of Kentucky.

  Results from FactBites:
Aristotle's Rhetoric (Stanford Encyclopedia of Philosophy) (7393 words)
Rhetoric and dialectic are concerned with things that do not belong to a definite genus or are not the object of a specific science.
The general idea seems to be this: Previous theorists of rhetoric gave most of their attention to methods outside the subject; they taught how to slander, how to arouse emotions in the audience, or how to distract the attention of the hearers from the subject.
However, in the rhetorical context there are two factors that the dialectician has to keep in mind if she wants to become a rhetorician too, and if the dialectical argument is to become a successful enthymeme.
Rhetoric - MSN Encarta (931 words)
The Greek philosopher Aristotle, in his work Rhetoric, defined the function of rhetoric as being, not that of persuasion, but rather that of “discovering all the available means of persuasion,” thereby emphasizing the winning of an argument by persuasive marshaling of truth, rather than the swaying of an audience by an appeal to their emotions.
The instructors in formal rhetoric in Rome were at first Greek, and the great masters of theoretical and practical rhetoric, Cicero and Quintilian, were both influenced by Greek models.
Rhetoric constituted one of the subjects of the trivium, or three preliminary subjects of the seven liberal arts taught at the universities, the other two being grammar and logic.
  More results at FactBites »



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