Breadcrumb Home > Thesaurus > F Synonyms of fiat Find synonyms for: Noun 1. decree, edict, fiat, order, rescript, act, enactment usage: a legally binding command or decision entered on the court record (as if issued by a court or judge); "a friend in New Mexico said that the order caused no trouble out there" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fiat (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: debridement Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language