/ Thesaurus / R Synonyms of regulatory authority Find synonyms for: Noun1. regulatory agency, regulatory authority, administrative unit, administrative bodyusage: a governmental agency that regulates businesses in the public interestWordNet 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