develop

verb10

1. •
   to change step by step, becoming more complete or more advanced over time

   • Let's see how things develop and then make our decision.
2. •
   To progress through a sequence of stages.

   • Isabel developed from a tropical depression to a tropical storm to a hurricane. An embryo develops into a fetus and then into an infant.
3. •
   To create.

   • I need to develop a plan for the next three weeks.
4. •
   To acquire something usually over a period of time.

   • I have been in England enough to develop a British accent.
   • You will develop calluses if you play the cello.
5. •
   To advance; to further; to promote the growth of.

   • We must develop our own resources to the utmost. — 1881
6. •
   To bring out images latent in photographic film.

   • Please develop this roll of film.
7. •
   To place one's pieces actively.

   • I need to develop my white-square bishop.
8. •
   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.
9. •
   To change the form of (an algebraic expression, etc.) by executing certain indicated operations without changing the value.
10. •
    (no longer used) To discover, find out; to uncover.

    • ‘The mystery which I cannot develop, may by that time be removed […].’ — 1791