decree in WordNet English dictionary

1. a legally binding command or decision entered on the court record (as if issued by a court or judge)
   "a friend in New Mexico said that the order caused no trouble out there"
   decree  edict  fiat  order  rescript 
   

1. decide with authority
   "The King decreed that all firstborn males should be killed"
   rule  decree 
   
2. issue a decree
   "The King only can decree"
   decree