A decree official is someone who is responsible for issuing and enforcing laws and regulations. The term DECREE OFFICIAL can be broken down into five crossword solutions: UKASE (5 letters), FIAT (4 letters), NISI (4 letters), EDICT (5 letters), and ORDAIN (6 letters). UKASE is a Russian term for a royal or imperial decree, while FIAT is a Latin term meaning 'let it be done'. NISI is a Latin term meaning 'UNLESS' or 'PENDING', and EDICT is a formal proclamation issued by a sovereign or other authority. Finally, ORDAIN is a verb meaning to issue an authoritative command or order.