activate
animate
arouse
beef up
boost
brace
brace up
brighten
brisk
brisken
buck up
buoy up
buttress
case harden
cheer
chirk up
confirm
dynamize
electrify
encourage
energize
enliven
exhilarate
fillip
fire
fortify
fresh up
freshen
freshen up
galvanize
gird
give a lift
gladden
harden
hearten
inflame
infuse life into
inspire
inspirit
interesting
jazz up
kindle
liven
nerve
pep up
perk up
pick up
pique
energise
excite
stimulate
invigorated
invigorates
invigorating
invigoratingly
invigoration
invigorator