is a specific kind of: disturb, trouble, upset.

is a broader term that covers: hype up, psych up | bother | pother | electrify.

is the opposite of: calm, calm down, lull, quiet, quieten, still, tranquilize, tranquillise, tranquillize.

derivation: arousal, rousing | excitation, excitement | turn-on | bang, boot, charge, flush, kick, rush, thrill | agitating, agitative, provoking | excitant, excitative, excitatory.