D defs.my
Entry 1 sense Webster, 1913

Rationalistic

/(răsh"ŭn*al*ĭs"tĭk)/ · Ra·tion·al·is·tic · IPA
01 a. Belonging to, or in accordance with, the principles of rationalism.
  1. 1.
    Belonging to, or in accordance with, the principles of rationalism.