Fiat

Noun

 * 1) An authoritative command or order to do something; an effectual decree.
 * 2)  A warrant of a judge for certain processes.
 * 3)  An authority for certain proceedings given by the Lord Chancellor's signature.

Derived terms

 * fiat money
 * fiat currency

Thesaurus
appointment, authority, authorization, brevet, bull, certification, clearance, countenance, declaration, decree, decree-law, decreement, decretal, decretum, dictum, diktat, edict, edictum, empowerment, enabling, endorsement, enfranchisement, entitlement, ipse dixit, law, ordinance, ordonnance, proclamation, pronouncement, pronunciamento, ratification, rescript, rule, ruling, sanction, senatus consult, senatus consultum, ukase, warrant, warranty

Etymology
fiat:.

Pronunciation

 * or