festivity

fes|tiv|ity /fest'ɪvɪti/ (festivities)
1 [N-UNCOUNT]
Festivity is the celebration of something in a happy way.
There was a general air of festivity and abandon.
2 [N-COUNT] usu pl
Festivities are events that are organized in order to celebrate something.
The festivities included a huge display of fireworks.