I
- Icon. Using imagery to create resemblance.
- Identification. Connecting with a larger group through a shared interpretation or understanding of a larger concept; Kenneth Burke was one of the first people to use the term in this way.
- Ideology. A way of understanding one's external surroundings.
- Ignoratio elenchi. A conclusion that is irrelevant.
- Imitatio. Latin, imitation.
- Inartistic proofs. Discovered information stemming from the raw data of experience.
- Indefinite questions. In Quintlian, questions that are discussed without referring to anything specifically.
- Indignatio. To arouse indignation in the audience.
- Induction. Rhetorical method for coming to general conclusions through specific examples.
- Ingenium. Latin, In Vico- the ability to understand similarities and relationships that is innate in all humans.
- In re. Latin, arguments concerned with what actually happened.
- Institutio Oratoria . Educational and rhetorical principles as described and prescribed in treatise by Quintillian.
- Insultatio. Abusing a person to his/her face by using irony and derisive language.
- Interlacement. Combining the figures Antistrophe and Epanaphora for rhetorical style and emphasis. For example (from Rhetorica ad Herennium), "'Who are they who have often broken treaties? The Carthaginians. Who are they who have waged ware with severest cruelty? The Carthaginians.'"
- Intersubjective agreements. agreements on the fair conduct of an argument among individuals participating in dialogue.
- Invention. Described by Cicero as the process of determining "valid or seemingly valid arguments;" the first of his five rhetorical canons.
- Invitational rhetoric. (Foss and Griffin) rhetoric that is not intended to persuade.
- Ioci. Jokes, see Cicero's De Oratore and his theory of humor.
- Irony. A deliberate contrast between indirect and direct meaning to draw attention to the opposite.
- Isocolon. A string of phrases of corresponding structure and equal length.
- Issues of definition. Things related to naming an act.
- Issues of fact. Issues related to an act's occurrence.
- Issues of quality. Issues related to the seriousness of an act.
Read more about this topic: Glossary Of Rhetoric Terms