rationalism

noun

ra·​tio·​nal·​ism ˈrash-nə-ˌli-zəm How to pronounce rationalism (audio)
ˈra-shə-nə-ˌli-
1
: reliance on reason as the basis for establishment of religious truth
2
a
: a theory that reason is in itself a source of knowledge superior to and independent of sense perceptions
b
: a view that reason and experience rather than the nonrational are the fundamental criteria in the solution of problems
3
rationalist
ˈrash-nə-list How to pronounce rationalism (audio)
ˈra-shə-nə-list
noun
rationalist adjective
or rationalistic
ˌrash-nə-ˈli-tik How to pronounce rationalism (audio)
ˌra-shə-nə-ˈli-
rationalistically
ˌrash-nə-ˈli-sti-k(ə-)lē How to pronounce rationalism (audio)
ˌra-shə-nə-ˈli-
adverb

Examples of rationalism in a Sentence

Recent Examples on the Web
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In between the political and the environmental emerged a Finnish identity that has come to value practicality and rationalism. Brett Braley, Robb Report, 27 Nov. 2024 And with little money and a limited amount of resources until quite recently, Finns have used that practicality and rationalism to become incredibly innovative in industries ranging from tech to hospitality to fashion. Brett Braley, Robb Report, 27 Nov. 2024 Underneath their discussions about democracy, rationalism, and religion lies one consensus: Women are subordinate and subhuman. Bekah Waalkes, The Atlantic, 3 Oct. 2024 As a lifelong journalist and media entrepreneur, Brill possesses the rationalism of the former and the certainty of the latter that facts are what move the world. Laura Wagner, Washington Post, 30 June 2024 See All Example Sentences for rationalism

Word History

First Known Use

circa 1732, in the meaning defined at sense 1

Time Traveler
The first known use of rationalism was circa 1732

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Cite this Entry

“Rationalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rationalism. Accessed 10 Mar. 2025.

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