develops
v.v. to grow, change, or become more advanced over time. You use this when something starts small or simple and becomes bigger or better.
v. to grow or cause to grow and become more mature, advanced, or elaborate. Transitive or intransitive depending on whether the subject is the agent of change or the entity undergoing it.
The small seed develops into a tall tree.
The software company develops new tools every year to help people manage their money better.
As the plot develops, the protagonist begins to question the motives of those who initially appeared to be his closest allies.
When used intransitively, it often takes the preposition 'into'.
The baby develops very fastlyThe baby develops very fastLearners often add '-ly' to 'fast' to create an adverb, but 'fast' is both an adjective and an adverb.