/ Thesaurus / W Synonyms of william averell harriman Find synonyms for: Noun1. Harriman, Averell Harriman, William Averell Harrimanusage: United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language