/ Thesaurus / R Synonyms of regulator gene Find synonyms for: Noun1. regulatory gene, regulator gene, gene, cistron, factorusage: a gene that produces a repressor substance that inhibits an operator geneWordNet 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