fiat
noun
[ ˈfiːat ]
• a formal authorization or proposition; a decree.
• "the reforms left most prices fixed by government fiat"
Similar:
decree,
edict,
order,
command,
commandment,
injunction,
proclamation,
mandate,
dictum,
diktat,
promulgation,
precept,
ukase,
pronunciamento,
rescript,
firman,
decretal,
irade,
Origin:
late Middle English: from Latin, ‘let it be done’, from fieri ‘be done or made’.