/ Thesaurus / W Synonyms of william s. gilbert Find synonyms for: Noun1. Gilbert, William Gilbert, William S. Gilbert, William Schwenk Gilbert, Sir William Gilbertusage: a librettist who was a collaborator with Sir Arthur Sullivan in a famous series of comic operettas (1836-1911)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language