argue
1 altercate, bandy words, be at sixes and sevens, bicker, cross swords, disagree, dispute, fall out (informal) feud, fight, fight like cat and dog, go at it hammer and tongs, have an argument, quarrel, squabble, wrangle
2 assert, claim, contend, controvert, debate, discuss, dispute, expostulate, hold, maintain, plead, question, reason, remonstrate
3 convince, persuade, prevail upon, talk into, talk round
4 demonstrate, denote, display, evince, exhibit, imply, indicate, manifest, point to, show, suggest