fiat

An arbitrary or authoritative command or order to do something; an effectual decree.countableuncountable

• A royal fiat.
• A presidential fiat.

Authorization, permission or (official) sanction.countableuncountable

• A government fiat.
• To rule by fiat.

A warrant of a judge for certain processes.Englishcountableuncountable

An authority for certain proceedings given by the Lord Chancellor's signature.Englishcountableuncountable

(Pertaining to) fiat currency.attributivecountableuncountable

• But let us trace a little more particularly the differences between the "fiat" dollar and the greenback. The greenback, in common with every bank note any of you have ever seen, contains a promise to pay dollars.
• But, say these men who claim for our Congress creative power, we will pass a law making these 'fiat' dollars legal tender for all debts, public and private.

To make (something) happen.transitive

To issue a fiat.transitive

• For quotations using this term, see Citations:fiat.