gaiety gaiety /ˈgeɪɪti/

noun

1. () A gay feeling  ( gayety [American] , merriment , gaiety )
   a gay feeling
     The colorful decorations and lively music created an atmosphere of gaiety at the carnival.
   The colorful decorations and lively music created an atmosphere of gaiety at the carnival.
   
2. A festive merry feeling  ( gaiety , playfulness , gayety [American] )
   a festive merry feeling