Stimulate
Part of speech: verb
Definition: To encourage into action. To arouse an organism to functional activity.
Example sentence: A musician cannot move others unless he too is moved. He must of necessity feel all of the affects that he hopes to arouse in his audience, for the revealing of his own humour will stimulate a like humour in the listener.
Excite
Part of speech: verb
Definition: To stir the emotions of.To arouse or bring out (eg feelings); to stimulate., To cause an electron to move to a higher than normal state; to promote an electron to an outer level.
Example sentence: I'm a very moody guy and I need good scripts which excite me.