Lighting effect (4)

I believe the answer is:

aura

(Other definitions for aura that I've seen before include "Invisible emanation" , "Mystic air" , "Atmosphere, quality" , "Nimbus" , "Distinct but intangible quality about a person" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.