WordWeb Online

1. Fixed or established especially by order or command
   "at the time decreed"
   - appointed, ordained, prescribed

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

See also: settled

Type of: decide, declare, determine, make up one's mind

Encyclopedia: Decree