Not primitive; not third-world.
Mature.
Containing man-made structures such as roads, sewers, electric lines, buildings, and so on.
Having useful or necessary infrastructure.
Processed and fixed; containing a visible negative (or positive for slide film) image
Advanced, fully formed.
Old enough to be considered an adult (in law, or by society generally).
Having existed for a certain period of time; used in referring to a person's age.