Is “Fiat” a Scrabble word?
Yes
FIAT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Fiat
/ˈfaɪæt/
noun
1.An arbitrary or authoritative command or order to do something; an effectual decree.
“A presidential fiat.”
2.Authorization, permission or (official) sanction.
“A government fiat.”
3.(English law) A warrant of a judge for certain processes.
verb
1.(used in academic debate and role-playing games) To make (something) happen.