Source : Webster's Revised Unabridged Dictionary (1913)

Absolutist \Ab"so*lu`tist\, a.
   Of or pertaining to absolutism; arbitrary; despotic; as,
   absolutist principles.

Absolutist \Ab"so*lu`tist\, n.
   1. One who is in favor of an absolute or autocratic
      government.

   2. (Metaph.) One who believes that it is possible to realize
      a cognition or concept of the absolute. --Sir. W.
      Hamilton.

Source : WordNet®

absolutist
     adj : pertaining to the principle of totalitarianism [syn: {absolutistic}]

absolutist
     n : one who advocates absolutism