appropriateness
🇺🇸
/əˈprəʊpriətnəs/
🇬🇧
/əˈprəʊpriətnəs/
how well something fits a situation or is right to use
The teacher discussed the appropriateness of using humor in a serious presentation.
老师讨论了在严肃的演讲中使用幽默的适宜性。