utterance, vocalization - the use of uttered sounds for auditory communication

cachinnation - loud convulsive laughter

cackle - a loud laugh suggestive of a hen's cackle

chortle, chuckle - a soft partly suppressed laugh

giggle - a foolish or nervous laugh

belly laugh, guffaw - a burst of deep loud hearty laughter

ha-ha, haw-haw, hee-haw, horselaugh - a loud laugh that sounds like a horse neighing

snicker, snigger, snort - a disrespectful laugh

titter - a nervous restrained laugh

activity - any specific activity; "they avoided all recreational activity"

expression, reflexion, reflection, manifestation - expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition"