Meaning

1. To discover, find out; to uncover.
2. To change with a specific direction, progress.
3. To progress through a sequence of stages.
4. To advance; to further; to promote the growth of.
5. To create.
6. To bring out images latent in photographic film.
7. To acquire something usually over a period of time.
8. To place one's pieces actively.
9. To cause a ball to become more open and available to be played on later. Usually by moving it away from the cushion, or by opening a pack.
10. To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value.