Meaning : Gain or regain energy.
Example :
I picked up after a nap.
Synonyms : gain vigor, percolate, perk, pick up
Meaning : Cause to be alert and energetic.
Example :
Coffee and tea stimulate me.
This herbal infusion doesn't stimulate.
Synonyms : arouse, brace, energise, energize, stimulate
Cause to be calm or quiet as by administering a sedative to.
The patient must be sedated before the operation.