Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Latin
Origin: 'let it be done', from fieri 'to become, be done'

fiat

noun
     
Related topics: Policies
fi‧at [countable] formal
PPP an official order given by someone in a position of authority, without considering what other people want
by fiat
The matter was settled by presidential fiat.

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