Source : Webster's Revised Unabridged Dictionary (1913)

Liberalistic \Lib`er*al*is"tic\ (-[i^]s"t[i^]k), a.
   Pertaining to, or characterized by, liberalism; as,
   liberalistic opinions.

Source : WordNet®

liberalistic
     adj : having or demonstrating belief in the essential goodness of
           man and the autonomy of the individual; favoring civil
           and political liberties, government by law with the
           consent of the governed, and protection from arbitrary
           authority