Simple Definition of rationalism

from our Learner's Dictionary

rationalism

noun

ˈræʃənəˌlɪzəm How to pronounce rationalism (audio)
philosophy : the belief that reason and experience and not emotions or religious beliefs should be the basis for your actions, opinions, etc.

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“Rationalism.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/rationalism. Accessed 17 Apr. 2026.

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