The most common and most likely answer to this crossword clue is the 4 letter word FIAT
F
I
A
T
More clues leading to the result FIAT
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FIAT mean?
FIAT noun- An arbitrary or authoritative command or order to do something; an effectual decree.
- Authorization, permission or (official) sanction.
- (English law) A warrant of a judge for certain processes.
- (English law) An authority for certain proceedings given by the Lord Chancellor's signature.
- (used in academic debate and role-playing games) To make (something) happen.