Official order (6)
'official order' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for decree that I've seen before include "An official proclamation or ruling" , "Issue an edict" , "Ordain" , "Legally binding command or decision" , "Recede following an official order" .)
'official order' is the definition.
(an edict is an order or decree)
This is the entire clue.
(Other definitions for edict that I've seen before include "Injunction" , "Formal announcement" , "An official command" , "Proclamation, law" , "Official order" .)