Answer: irradiates

AnswerCrossword Clue
IRRADIATESEnlightens.
IRRADIATESLights up
irradiatesIRRADIATE, to shed light or other rays upon or into
irradiatesExpose (food) to gamma rays to kill microorganisms
irradiatesIlluminate (something) by or as if by shining light on it
irradiatesExpose to radiation