cackle

belly laugh, boff (or boffo), boffola, cachinnation, chortle, chuckle, giggle, guffaw, hee-haw, horselaugh, laugh, laughter, snicker, snigger, titter, twitter

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

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

break up, chortle, chuckle, crack up, giggle, hee-haw, laugh, roar, scream, snicker, titter, twitter