laughter (the act or sound of one that laughs) [n LAUGHINGS] / LAUGH, to express emotion, typically mirth, by a series of inarticulate sounds [v]
laughter (the act or sound of one who laughs) [n -S]
Make the spontaneous sounds and movements of the face and body that are the instinctive expressions of lively amusement and sometimes also of contempt or derision
Ridicule; scorn
Dismiss something embarrassing, unfortunate, or potentially serious by treating it in a lighthearted way or making a joke of it