noun-modifying (irregular)
Prenominal modifier describing a person, action, or decision that shows courage.
彼は勇気ある決断を下した。
He made a courageous decision.
勇気ある行動に感動した。
I was moved by the brave action.
Compound of 勇気 (courage) + ある (to have, exist), literally 'having courage'. The spelling 有る is etymologically related but now rare.