/ Thesaurus / A Synonyms of atomic energy commission Find synonyms for: Noun1. Atomic Energy Commission, AEC, executive agencyusage: a former executive agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language