Synonyms for Motivate:

n.

persuade, urge on, whet, prevail on, spur, dissuade, convince, arouse, excite, inspire hope. incline, pique, inflame, mold, condition, throw back on, implant, enter, hold sway, predispose, work up. inspirit, animate, embolden, cheer. motivate (noun)
actuate, move, propel, prompt, incite.

v.

aid (verb)
encourage, benefit, endow, aid, sustain, minister, mother, foster, tend, attend, abet, fund, relieve, facilitate, assist, serve, help, support.
cause (verb)
engender, provoke, originate, bring about, generate, engineer, give rise to, elicit, drive, produce, execute, cause, induce, inspire, evoke, effect, enforce, force, make, act.
compel (verb)
dragoon, oblige, bully, browbeat, stress, stimulate, nag, galvanize, intimidate, hijack, urge, propel, spark, coerce, bulldoze, mandate, goad, incite, dictate, foment, daunt, impel, push, compel, press.
influence (verb)
predominate, influence, power, master, empower, authorize, bias, control, prejudice, affect, sway, pressure, lead, command.
motivate (verb)
hurtle, jolt, ferment, move, ram, heave, energize, prod, sling, hasten, strike, trigger, magnetize, fling, knock, jostle, pitch, prompt, entice, bump, lob, poke, punch, thrust, throw, instigate, fire, jog, shove, shoot, nudge, jerk, catapult, launch, hurl.
stimulate, instigate (verb)
goad, fire, excite, spur, induce, incite, actuate, prompt, galvanize, spark, trigger, arouse, provoke, pique, whet, inspirit, predispose, inspire, propel, incline, sway, move, lead, persuade, drive, cause, impel.

Other synonyms:

urge on, throw back on, predispose, persuade, spur, prevail on. inspirit, convince, embolden. pique, excite, implant. mold, incline, inflame. animate. enter, cheer, condition. cause
engender, give rise to.
Other relevant words:
excite, work up, urge on, animate, persuade, implant, prevail on, embolden, cheer, whet, inflame, arouse, pique, predispose, incline, convince, enter, inspirit, spur, actuate.