arrogate

Verb

• seize and take control without authority and possibly with force; take as one's right or possession
  • He assumed to himself the right to fill all positions in the town
    
  • he usurped my rights
    
  • She seized control of the throne after her husband died
    

• make undue claims to having

• demand as being one's due or property; assert one's right or title to
  • He claimed his suitcases at the airline counter
    
  • Mr. Smith claims special tax exemptions because he is a foreign resident
    

Related words

• Synonyms: 
  assume , usurp , seize , take over , assign , claim , lay claim
• Antonyms: 
  forfeit , give up , throw overboard , waive , forgo , forego