Open English Wordnet
Nouns
(n)controversy, contention, contestation, disputation, disceptation, tilt, argument, arguinga contentious speech act; a dispute where there is strong disagreement“they were involved in a violent argument”
(n)argument, argumentation, debatea discussion in which reasons are advanced for and against some proposition or proposal“the argument over foreign aid goes on and on”
(n)argument, literary argumenta summary of the subject or plot of a literary work or play or movie“the editor added the argument to the poem”
(n)argumentation, logical argument, argument, line of reasoning, linea course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning“I can't follow your line of reasoning”