fiat: Meaning and Definition of
Pronunciation: (fē'ät, -at fī'&schwat, -at), [key]
- an authoritative decree, sanction, or order: a royal fiat.
- a formula containing the word fiat, by which a person in authority gives sanction.
- an arbitrary decree or pronouncement, esp. by a person or group of persons having absolute authority to enforce it: The king ruled by fiat.
- fiat (Thesaurus)