/ Thesaurus / F Synonyms of frederick william Find synonyms for: Noun1. Frederick William, Great Electorusage: the Elector of Brandenburg who rebuilt his domain after its destruction during the Thirty Years' War (1620-1688)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language