/ Thesaurus / L Synonyms of leading light Find synonyms for: Noun1. luminary, leading light, guiding light, notable, notability, celebrity, famous personusage: a celebrity who is an inspiration to others; "he was host to a large gathering of luminaries"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language