Answer: sparkles

AnswerCrossword Clue
SPARKLESEffervesces.
SPARKLESSays witty things.
SPARKLESGlistens
SPARKLESEffervesces
SPARKLESGlitters
sparklesBe vivacious and witty
sparklesSPARKLE, to reflect flashes of light
sparklesShine brightly with flashes of light