Her warning proved to be 'prophetic'. [=the thing that she warned would/could happen did happen]
The coach 'prophetically' promised a victory in the next game.
the 'prophetic' books of the Old Testament
(..) Tell me more. Say from whence you owe this strange intelligence and why, upon this blasted heath, you stop our way with such prophetic greeting. Speak, I charge you. The earth hath bubbles as the water has, and these are of them. Whither are they vanished? Into the air, (..)2015 Macbeth