Synonyms to motivating force

energizer, abettor, activator, actuator, animator, arouser, cajoler, coax, coaxer, encourager, firer, gadfly, galvanizer, human dynamo, impeller, inducer, inspirer, life, motive power, mover, moving spirit, persuader, pleader, prime mover, prompter, restorative, spark, spark plug, sparker, stimulant, stimulator, stimulus, tempter, tonic, wheedler, life of the party, bad boy, banana, bon vivant, booger, buffoon, bugger, burlesquer, caricaturist, clown, clubman, clubwoman, comedian, comic, cutup, devil, elf, enfant terrible, epigrammatist, excellent companion, funmaker, funnyman, gag writer, gagman, gagster, good company, good mixer, hood, hoodlum, hooligan, humorist, imp, ironist, jester, joiner, joker, jokesmith, jokester, knave, lampooner, little devil, little monkey, little rascal, madcap, man-about-town, minx, mischief, mischief-maker, mixer, nightclub habitue, parodist, pixie, playboy, pleasant company, practical joker, prankster, puck, punner, punster, quipster, rapscallion, rascal, reparteeist, rest