Verb (5-dan, る, intransitive)
1. to be decided; to be settled; to be fixed; to be arranged
2. to be unchanging; to be the same (as always); to be fixed; to be set
as 決まっている or 決まった
3. to be a fixed rule; to be destined; to be a convention; to be a custom; to be common knowledge
as ...と決まっている
4. to be well executed (of a manoeuvre in a sport, game, etc.); to go well; to succeed; to connect (of a punch)
5. to look good (of clothing); to look sharp; to be stylish; to suit one; to be held in place (of a hairdo)
6. to be struck and held (of a pose in kabuki)