fiat

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

A royal fiat.

A presidential fiat.

Authorization, permission or (official) sanction.

A government fiat.

To rule by fiat.

A warrant of a judge for certain processes.

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

(Pertaining to) fiat currency.

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.

To issue a fiat.

For quotations using this term, see Citations:fiat.

An automobile manufactured by the Italian firm Fiat S.p.A.

Even as a young feminist who was very angry at men, a real ballbuster, I had a boyfriend who drove a Fiat, I was always fashionable, even though it was hippie gear.

We'd watched Marion pile her three kids and their stuff into an old Fiat 124 I was sure Dad must have picked for her; she didn't look like a Fiat driver at heart.