perk up (v.)
- advance
- ameliorate
- amend
- animate
- arouse
- boost
- brace
- brighten
- brisk
- brisken
- cheer
- convalesce
- develop
- dynamize
- electrify
- elevate
- energize
- enliven
- erect
- escalate
- exhilarate
- fire
- fortify
- freshen
- gain
- galvanize
- graduate
- hearten
- heave
- heft
- heighten
- heist
- hike
- hoist
- improve
- inflame
- inspirit
- invigorate
- kindle
- levitate
- lift
- liven
- lob
- loft
- meliorate
- mend
- progress
- quicken
- raise
- rally
- reanimate
- rear
- recreate
- recruit
- recuperate
- refresh
- refreshen
- regale
- reinvigorate
- renew
- revitalize
- revive
- revivify
- rise
- rouse
- sky
- skyrocket
- stimulate
- up
- upheave
- uphold
- uplift
- upraise
- vitalize
- vivify
- warm