/ Thesaurus / C Synonyms of calixtus iii Find synonyms for: Noun1. Calixtus III, Borgia, Alfonso Borgiausage: Italian pope whose nepotism put the Borgia family in power in Italy (1378-1458)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language