autonomous

Adjective

• (of persons) free from external control and constraint in e.g. action and judgment

• existing as an independent entity
  • the partitioning of India created two separate and autonomous jute economies
    

• (of political bodies) not controlled by outside forces
  • an autonomous judiciary
    
  • a sovereign state
    

Related words

• Synonyms: 
  self-directed , self-reliant , independent , self-governing , sovereign