/ Thesaurus / P Synonyms of postulation Find synonyms for: Noun1. postulation, predication, declarationusage: (logic) a declaration of something self-evident; something that can be assumed as the basis for argument2. request, petition, postulation, message, content, subject matter, substanceusage: a formal message requesting something that is submitted to an authorityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language