[{"Bold_text": "noun", "List Items": ["an authoritative decree, sanction, or :a royal fiat.Synonyms: ukase , diktat , mandate , ruling , directive , authorization", "a fixed form of words containing the wordfiat,by which a person in authority gives sanction, or authorization.", "an arbitrary decree or pronouncement, especially by a person or group of persons having absolute authority to enforce it:The king ruled by fiat."]}]