Gaiety (noun)

Lighthearted and carefree fun and enjoyment.

Origin:

Middle english gayete, from old french gaiete "joy, merriment".

Examples:

1. The party was full of gaiety and laughter.
2. The performers brought gaiety to the stage with their lively songs.
3. The children's faces were full of gaiety as they played in the park.
4. The city's streets were full of gaiety during the festival.
5. The movie provided gaiety and entertainment for the audience.