abettor, actuator, afflatus, animating spirit, animation, animator, animus, cajoler, coax, coaxer, divine afflatus, encourager, energizer, enlivenment, exhilaration, fire, firer, firing, gadfly, galvanizer, genius, impeller, inducer, infection, infusion, inspiration, inspirer, mover, persuader, pleader, prime mover, prompter, spark, spark plug, sparker, stimulator, tempter, wheedler