- the art of political manipulation, especially by the use of language
- Logic is concerned with the truth-value of sentences. Grammar is concerned with the communications-value of sentences. Rhetoric is concerned with the persuasion-value of sentences. And heresthetic is concerned with the strategy-value of sentences. In each case, the art involves the use of language to accomplish some purpose: to arrive at truth, to communicate, to persuade, and to manipulate. - The Art of Political Manipulation
Coined by William Riker, as the companion to rhetoric.