Breadcrumb Home > Thesaurus > P Synonyms of post hoc Find synonyms for: Noun1. post hoc, post hoc ergo propter hoc, logical fallacyusage: the logical fallacy of believing that temporal succession implies a causal relationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language