Mirth

Part of speech: noun (n.)

1. Merriment; gayety accompanied with laughter; jollity. Then will I cause to cease ... from the streets of Jerusalem, the voice of mirth. Jer. vii. 34.

2. That which causes merriment. [Obs.] Shak.

Synonyms: Merriment; joyousness; gladness; fun; frolic; glee; hilarity; festivity; jollity. See Gladness.