The verb develop has 21 senses (first 14 from tagged texts)
1. (48) develop -- (make something new, such as a product or a mental or artistic creation; "Her company developed a new kind of building material that withstands all kinds of weather"; "They developed a new technique")
2. (45) evolve, germinate, develop -- (work out; "We have developed a new theory of evolution")
3. (42) develop, acquire, evolve -- (gain through experience; "I acquired a strong aversion to television"; "Children must develop a sense of right and wrong"; "Dave developed leadership qualities in his new position"; "develop a passion for painting")
4. (19) grow, develop, produce, get, acquire -- (come to have or undergo a change of (physical features and attributes); "He grew a beard"; "The patient developed abdominal pains"; "I got funny spots all over my body"; "Well-developed breasts")
5. (15) originate, arise, rise, develop, uprise, spring up, grow -- (come into existence; take on form or shape; "A new religious movement originated in that country"; "a love that sprang up from friendship"; "the idea for the book grew out of a short story"; "An interesting phenomenon uprose")
6. (12) build up, develop -- (change the use of and make available or usable; "develop land"; "The country developed its natural resources"; "The remote areas of the country were gradually built up")
7. (6) explicate, formulate, develop -- (elaborate, as of theories and hypotheses; "Could you develop the ideas in your thesis")
8. (5) train, develop, prepare, educate -- (create by training and teaching; "The old master is training world-class violinists"; "we develop the leaders for the future")
9. (4) develop -- (be gradually disclosed or unfolded; become manifest; "The plot developed slowly";)
10. (4) develop -- (grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment; "A flower developed on the branch"; "The country developed into a mighty superpower"; "The embryo develops into a fetus"; "This situation has developed over a long time")
11. (3) modernize, modernise, develop -- (become technologically advanced; "Many countries in Asia are now developing at a very fast pace"; "Viet Nam is modernizing rapidly")
12. (3) develop, make grow -- (cause to grow and differentiate in ways conforming to its natural development; "The perfect climate here develops the grain"; "He developed a new kind of apple")
13. (1) develop -- (generate gradually; "We must develop more potential customers"; "develop a market for the new mobile phone")
14. (1) develop, grow -- (grow emotionally or mature; "The child developed beautifully in her new kindergarten"; "When he spent a summer at camp, the boy grew noticeably and no longer showed some of his old adolescent behavior")
15. develop -- (make visible by means of chemical solutions; "Please develop this roll of film for me")
16. develop -- (superimpose a three-dimensional surface on a plane without stretching, in geometry)
17. develop -- (move one's pieces into strategically more advantageous positions; "Spassky developed quickly")
18. develop -- (move into a strategically more advantageous position; "develop the rook")
19. develop -- (elaborate by the unfolding of a musical idea and by the working out of the rhythmic and harmonic changes in the theme; "develop the melody and change the key")
20. break, recrudesce, develop -- (happen; "Report the news as it develops"; "These political movements recrudesce from time to time")
21. develop -- (expand in the form of a series; "Develop the function in the following form")