/ Thesaurus / I Synonyms of innocent iii Find synonyms for: Noun1. Innocent III, Lotario di Segniusage: Italian pope from 1198 to 1216 who instituted the Fourth Crusade and under whom papal intervention in European politics reached its height (1161-1216)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language