(人)友善,快乐;(情况)欢乐,愉悦the quality in a person of being friendly and in a good mood, or of a situation being enjoyable, friendly and pleasant
There was an air of joviality in the room. 房间里弥漫着欢快的气氛。
She had a forced joviality that made us suspicious. 她强装笑颜,这让我们产生了怀疑。
See: jovial