palaver

argument, argumentation, argy-bargy [chiefly British], back-and-forth, colloquy, confab, confabulation, conference, consult, consultation, council, counsel, debate, deliberation, dialogue (also dialog), discussion, give-and-take, parley, talk

backchat, cackle, causerie, chat, chatter, chin music, chin-wag [slang], chitchat, confab, confabulation, gab, gabfest, gossip, jangle, jaw, natter [chiefly British], patter, rap, schmooze, small talk, table talk, talk, tête-à-tête

babble, blab, cackle, chaffer [British], chat, chatter, chin [slang], converse, gab, gabble, gas, jabber, jaw, kibitz (also kibbitz), natter, patter, prate, prattle, rap, rattle, run on, schmooze (or shmooze), talk, twitter, visit

blandish, blarney, cajole, coax, soft-soap, sweet-talk, wheedle