jubilancy
/ˌdʒuːbɪˈleɪnsi/; /dʒuːˈbɪlənsi/Definitions
1. noun
A state of joyful celebration or festivity.
“The atmosphere of jubilancy filled the air as the team won the championship.”
2. noun
The quality of being joyful or celebratory.
“The music added to the jubilancy of the event.”