|rashən ə l|istik, -shnə|l-, ˈraash-, |raish-, -tēk adjective
1. : of, relating to, or in accordance with the principles of rationalism
rationalistic philosophies
a rationalistic theory
all rationalistic argument from axiomatic principles — J.H.Randall
2. : marked by or having a tendency toward rationalism
rationalistic liberalism
the possibility of viewing thinkers as predominantly either rationalistic or mystic — M.R.Cohen
• ra·tio·nal·is·ti·cal·ly -tə̇k(ə)lē, -tēk-, -li adverb