1. [n]  one who advocates absolutism
2. [adj]  pertaining to the principle of totalitarianism

ABSOLUTIST is a 10 letter word that starts with A.

1. \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.
   

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