/ Thesaurus / S Synonyms of securities and exchange commission Find synonyms for: Noun1. Securities and Exchange Commission, SEC, independent agencyusage: an independent federal agency that oversees the exchange of securities to protect investorsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language