arrogate in WordNet English dictionary

1. 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"
   assume  usurp  seize  take over  arrogate 
   
2. make undue claims to having
   arrogate  assign 
   
3. 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"
   claim  lay claim  arrogate