/ Thesaurus / H Synonyms of horace mann Find synonyms for: Noun1. Mann, Horace Mannusage: United States educator who introduced reforms that significantly altered the system of public education (1796-1859)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language