決まる

also 決る · 極る

1. godan verb, intransitive to be decided; to be settled; to be fixed; to be arranged
2. as 決まっている or 決まった to be unchanging; to be the same (as always); to be fixed; to be set
3. as ...と決まっている to be a fixed rule; to be destined; to be a convention; to be a custom; to be common knowledge
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)
7. slang, usually in kana, usu. written as キマる to get high (on drugs)