/ Thesaurus / V Synonyms of visible radiation Find synonyms for: Noun1. light, visible light, visible radiation, actinic radiation, actinic rayusage: (physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language