stimulate vs perk up

stimulate and perk up both are verbs.

Word	Noun	Adjective	Verb	Adverb
stimulate	No	No	Yes	No
perk up	No	No	Yes	No

As verbs, stimulate and perk up are synonyms defined as:

Other synonyms of stimulate include arouse, brace, energise, energize.

stimulate (verb)	perk up (verb)
cause to be alert and energetic	gain or regain energy
act as a stimulant	cause to be alert and energetic
provide the needed stimulus for
cause to do; cause to act in a specified manner
cause to occur rapidly
stir the feelings, emotions, or peace of
stir feelings in