was decided, was set, predetermined
会合は火曜日に開くことに決められた。
It was decided that the meeting would be held on Tuesday.
月曜日が次の会合の日と決められた。
Monday was decided as the date of the next meeting.
“決められた手順”
“The prescribed procedure”
— 別れる決心 (2022)
決められた役割をずっと繰り返すだけなんだよね
All you do is keep repeating the same assigned role over and over.
— Cosmic Princess Kaguya! (2026)