To supervene means to happen as a result of something else, especially if it happens unexpectedly.
Supervene is a serious word that is often used in science or philosophy.
Examples:
The storm supervened and ruined our picnic.
The new problem supervened after we fixed the old one.
The party was going well until an argument supervened.
I was just about to leave when dinner supervened!
The superhero supervened and saved the day.
The cat supervened and caught the mouse.