fiat

noun5

1. •
   An arbitrary or authoritative command or order to do something; an effectual decree.

   • A royal fiat.
   • A presidential fiat.
2. •
   [before a noun] (Pertaining to) fiat currency.

   • 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. — 1892
3. •
   Authorization, permission or (official) sanction.

   • A government fiat.
   • To rule by fiat.
4. •
   A warrant of a judge for certain processes.
5. •
   An authority for certain proceedings given by the Lord Chancellor's signature.

verb2

1. •
   To make (something) happen.
2. •
   To issue a fiat.

noun1

1. •
   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. — 1997