admission (to an institute, nursery school, facility, etc.); entrance
imprisonment; incarceration; internment; confinement
介護施設に入所した。
He was admitted to a care facility.
入所の手続きに書類がたくさん必要だ。
A lot of paperwork is needed for the admission process.
定員に達したため入所の受付を一時停止する。
Admissions are temporarily suspended because capacity has been reached.