Argument synonyms such as outline, afters, apology, abstract, and gist. Argument is a noun, and its antonyms are agreement and harmony. Additionally, here are 65 synonyms, related words, and verbs for argument.
afters, altercation, barney, bust-up, clash, contretemps, controversy, debate, difference of opinion, ding-dong, disagreement, discourse, discussion, disputation, dispute, dissension, dust-up, exchange of views, falling-out, feud, fight, quarrel, rammy, row, set-to, shouting/slanging match, spat, squabble, tiff, war of words, and wrangle.
apology, argumentation, assertion, case, claim, contention, declaration, defence, demonstration, evidence, explanation, expostulation, grounds, justification, line of reasoning, logic, plea, polemic, rationalization, reasoning, reasons, and vindication.