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the giving of orders by someone who has complete authority: The general ruled by fiat for eight years after seizing power. (Definition of fiat from the Cambridge Academic Content Dictionary © Cambridge University Press)
noun. fi· at ˈfē-ət. -ˌat, -ˌät; ˈfī-ət, -ˌat. Synonyms of fiat. 1. : an authoritative or arbitrary order : decree. government by fiat. 2. : an authoritative determination : dictate. a fiat of conscience. 3. : a command or act of will that creates something without or as if without further effort.
an order given by a person in authority: by fiat No company can set industry standards by fiat. Synonyms. decree formal. edict formal. order. proclamation. SMART Vocabulary: related words and phrases. Instructions and orders. as per instructions idiom. briefing paper. clarion call. commandment. dictate. diktat. doctor's orders. football.
n. 1. an authoritative decree, sanction, or order: a royal fiat. 2. an arbitrary decree or pronouncement, esp. by a person or group of persons having absolute authority to enforce it: to rule by fiat. [1625–35; < Latin: let it be done]
You might think a fiat is just an Italian car, but it actually means a legal, authoritative decision that has absolute sanction. From the Latin for "let it be done," the word fiat is a binding edict issued by a person in command.
noun. 1. an order issued by legal authority, usually beginning with fiat ( let it be done); decree. 2. a sanction; authorization. 3. any arbitrary order. Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt.
Fiat definition: an authoritative decree, sanction, or order. See examples of FIAT used in a sentence.
