- An authoritative command or order to do something; an
effectual decree. - A warrant of a judge for certain processes. - An authority for certain proceedings given by the Lord
Chancellor's signature.
Meaning of 'fiat' (Princeton's WordNet)
1 . fiat
[ n]
Meaning (1): - a legally binding command or decision entered on the court record (as if issued by a court or judge)
Example in sentence:
a friend in New Mexico said that the order caused no trouble out there