/ Thesaurus / I Synonyms of international atomic energy agency Find synonyms for: Noun1. International Atomic Energy Agency, IAEA, United Nations agency, UN agencyusage: the United Nations agency concerned with atomic energyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language