“Argument (noun): A disagreement of debate; argumentation, or the process of expression and interchange in disputation; a course of reasoning to demonstrate a truth or a falsehood, or a reason given as a proof or rebuttal; intended theme or rationale of a literary work; thrust; synopsis. Adj. argumentative; adv. argumentatively; n. argumentation, argumentativeness; v. argue.”
Excerpted from: Grambs, David. The Random House Dictionary for Writers and Readers. New York: Random House, 1990.