To judge or officially acknowledge that something is necessary.
委員会は追加の調査が必要と認める決議を行った。
The committee passed a resolution that additional investigation was necessary.
医師が治療の継続を必要と認める場合のみ、保険が適用されます。
Insurance will apply only if a doctor deems continued treatment necessary.
学校長は緊急を要すると必要と認めるとき、臨時休校を決めることができる。
The principal may decide on temporary closure when he/she judges it to be urgently necessary.