/ Thesaurus / P Synonyms of postal order Find synonyms for: Noun1. money order, postal order, draft, bill of exchange, order of paymentusage: a written order for the payment of a sum to a named individual; obtainable and payable at a post officeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language