入会 にゅうかい
nyūkai

Noun
Suru Verb

1. admission (to a society, club, etc.); joining; entrance; enrollment; enrolment; becoming a member

Intransitive
Antonym of 退会
わたくしはそのクラブへの入会 にゅうかい ゆるされた。
watashiwa sono kurabueno nyūkaio yurusareta
I gained admission to the club.