joke

a ludicrous or grotesque act done for fun and amusement

activity characterized by good humor

a triviality not to be taken seriously

I regarded his campaign for mayor as a joke

a humorous anecdote or remark intended to provoke laughter

he told a very funny joke

he knows a million gags

act in a funny or teasing way

tell a joke; speak humorously

He often jokes even when he appears serious