Synonyms for Motorized:

adj.

automated (adjective)
mechanized.
power-driven (adjective)
mechanized.

n.

oil-driven, motor-powered, roadworthy, gasoline-driven, engine-powered, amphibious, flex-fuel, heavy, seaworthy, motor-operated, vehicular, armored, express, engine-driven, electric-driven, motor-equipped, motor, automotive. automatic, clockwork, automatically, auxiliary, broken, analog, built, clever, clean, cordless. motorized (noun)
trimotored, bimotored, mechanized, mobile, motored, motorised, mechanised.

Other synonyms:

mechanical
automatic.
Other relevant words:
motor, automatic.