the action or sound of laughing.

an inner quality, mood, disposition, etc., suggestive of laughter; mirthfulness

a man of laughter and goodwill.

an expression or appearance of merriment or amusement.

Archaic . an object of laughter; subject or matter for amusement.

noun

despair , gloom

noun

amusement , cachinnation , cackle , chortle , chortling , chuckle , chuckling , crack-up , crow , crowing , fit , gesture , giggle , giggling , glee , guffaw , guffawing , har-de-har , hilarity , howling , laugh , merriment , mirth , peal , rejoicing , roar , roaring , shout , shouting , shriek , snicker , snigger , snort , snorting , sound , tehee , titter , tittering , yuck , grin , ha ha , joviality , risibility