Synonyms and related words :
active, bunt, butt, drive, driving, driving force, impelling, impulsion, in motion, mobile, motile, motivational, motive, motive power, motor, moving, propellant, propelment, propulsion, propulsive, propulsory, pulsion, pulsive, push, pushing, shove, shoving, shunt, stirring, thrust, transitional, traveling