jollity
/ˈdʒɒlətɪ/noun
(pl. -ies)［mass noun］
1- lively and cheerful activity or celebration欢闹, 欢乐; 欢庆：
a night of riotous jollity.
一夜的狂欢。
1.1
- the quality of being cheerful高兴, 快乐：
he was full of false jollity.
他佯作快乐。
词源
Middle English: from Old French jolite, from joli （see JOLLY1）.