/ Thesaurus / W Synonyms of william penn Find synonyms for: Noun1. Penn, William Pennusage: Englishman and Quaker who founded the colony of Pennsylvania (1644-1718)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