develop

verb:to cause something to grow, mature, or become more elaborate
- The gardener worked hard to develop the seedlings into healthy plants.
verb:to bring into existence or create something new
- The engineer hopes to develop a battery that lasts twice as long as current models.
verb:to undergo a process of change or progress, especially in health or condition
- After a week of rest, his cold began to develop into a sinus infection.
verb:to improve or refine a skill, ability, or quality through practice or training
- He spent years developing his public‑speaking abilities.
verb:in software, to write, test, and maintain computer programs or applications
- The team will develop a mobile app that tracks personal carbon footprints.