/ Thesaurus / L Synonyms of lighting circuit Find synonyms for: Noun1. light circuit, lighting circuit, wiringusage: wiring that provides power to electric lightsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language