Source : Webster's Revised Unabridged Dictionary (1913)

Arrogation \Ar`ro*ga"tion\, n. [L. arrogatio, fr. arrogare. Cf.
   {Adrogation}.]
   1. The act of arrogating, or making exorbitant claims; the
      act of taking more than one is justly entitled to. --Hall.

   2. (Civ. Law) Adoption of a person of full age.

Source : WordNet®

arrogation
     n : seizure by the government [syn: {confiscation}]