argue

[1]	dispute , reason , debate , disagree , bicker , wrangle , quarrel , squabble , spar , fight , remonstrate , altercate , (Colloq) (Mainly Brit) row , scrap
[2]	discuss , contend , debate , reason , debate , fence , wrangle
[3]	make a case , indicate , talk , plead , debate , contend
[4]	prove , evince , indicate , denote , demonstrate , show , establish , suggest , signify , betoken
[5]	say , assert , hold , maintain , reason , claim , contend
[6]	argue into/out of , persuade/dissuade , talk out of/into , prevail upon , convince