- (idiomatic, religious) To undergo a spiritual conversion.
- Once I was lost in darkness, but now I have seen the light.
- (idiomatic) To gain an understanding of something previously not understood, especially in a sudden insight.
- Finally, near the end of the meeting, John saw the light and withdrew his objections.
- (idiomatic) To come into the world or to public notice.
- His book never saw the light.