The term 'Order from on High' refers to a command or instruction that is issued from a higher authority. This term can be represented by four different words: FIAT (4 letters), DECREE (6 letters), EDICT (5 letters), and MANDATE (7 letters). FIAT is a Latin word meaning 'let it be done', while DECREE is an authoritative order with the force of law. An EDICT is a proclamation issued by a sovereign or other authority, and a MANDATE is an official order or commission to do something. All four words refer to a command or instruction from a higher authority.