the GNU version of the Collaborative International Dictionary of English
adj. Belonging to, or in accordance with, the principles of rationalism.
The Century Dictionary and Cyclopedia
Of or pertaining to rationalists or rationalism; conformable to or characterized by rationalism: as, rationalistic opinions; a rationalistic interpretation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to the philosophical doctrine of rationalism
Word Usage
"Men living estranged from God easily cast aside God's morals and principles, exchanging them for a blind belief in rationalistic expediency."