developed

To change with a specific direction, progress.

"Let's see how things develop and then make our decision."

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."

To advance; to further; to promote the growth of.

(said of a country) Not primitive; not third-world.

Mature.

Containing man-made structures such as roads, sewers, electric lines, buildings, and so on.