Answer: livener
AnswerCrossword Clue
LIVENERTV show warmup, for instance
LIVENERPooper's opposite
LIVENEREmcee, at times
LIVENERGood emcee, for example
LIVENERLife of the party.
LIVENERParty pooper's opposite
LIVENERAnimator
livenerto become more lively; brighten (usually fol. by up)
livenerto put life into; rouse; enliven; cheer (often fol. by up)
livenerone who livens (to make lively (full of energy))