perk_up
1. [ verb ] gain or regain energy
Synonyms: percolate pick_up gain_vigor perk
Examples:

"I picked up after a nap"

Related terms: recuperate pickup
2. [ verb ] cause to be alert and energetic
Synonyms: stimulate arouse energize energise brace
Examples:

"Coffee and tea stimulate me" "This herbal infusion doesn't stimulate"

Related terms: sedate de-energize affect animate enliven enliven invigorate cathect energy push stimulant energy energizing animator bracer