festiveness
n.欢庆气氛,喜庆:庆祝活动或场合的愉快、欢乐的氛围。
例句
While there are many ways to be happy by yourself, I think there's something about the holidays and the festiveness of it all that gets people down if they feel alone.
我能理解,虽然你可以有很多途径让自己快乐,但是当你感到孤单的时候,节日和庆祝的一些东西,会让你沮丧。