joke

noun

1.
a humorous anecdote or remark intended to provoke laughter
gag jape jest laugh
Derived from:
jocular joke jokester
2.
activity characterized by good humor
jest jocularity
Derived from:
jocular joke jokester
3.
a ludicrous or grotesque act done for fun and amusement
monkeyshine pratt antic caper prank put-on trick
Derived from:
jokester
4.
a triviality not to be taken seriously