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to be decided; to be settled; to be fixed; to be arranged
to be unchanging; to be the same (as always); to be fixed; to be set
to be a fixed rule; to be destined; to be a convention; to be a custom; to be common knowledge
to be well executed (of a manoeuvre in a sport, game, etc.); to go well; to succeed; to connect (of a punch)
to look good (of clothing); to look sharp; to be stylish; to suit one; to be held in place (of a hairdo)
to be struck and held (of a pose in kabuki)
会議の日程がやっと決まりました。
The plan has been decided.
ルールが決まっています。
The rules are set.
旅行の行き先はまだ決まっていません。
It's not decided yet.