rationality
noun
ra·tio·nal·i·ty
ˌra-shə-ˈna-lə-tē 
plural rationalities
1
: the quality or state of being rational
2
: the quality or state of being agreeable to reason : reasonableness
3
: a rational opinion, belief, or practice
—usually used in plural
Examples of rationality in a Sentence
Recent Examples on the Web
His decision to side with keeping the government open at the expense of legislative branch power came from a place of rationality, not rashness.
—
Philip Elliott, TIME, 14 Mar. 2025
And one benefit of a plot built on relentlessly surreal happenstance is that eventually every new plot development starts to feel like a twist — because nothing is predetermined, and rationality and rigor have already gone out the window.
—Bilge Ebiri, Vulture, 13 Mar. 2025
Friedrich Nietzsche's idea of rationality, Apollonian, and the irrational passion, defined as Dionysian, have always been a sort of philosophical guide for Murano; his way of conceiving fashion.
—Alberto Calabrese, Vogue, 4 Mar. 2025
In recent years, both neuroscience and transformative leadership theory have increasingly recognized the importance of emotions and feelings alongside rationality.
—Nancy Zamierowski, Forbes, 18 Feb. 2025
See All Example Sentences for rationality
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Philip Elliott, TIME, 14 Mar. 2025
And one benefit of a plot built on relentlessly surreal happenstance is that eventually every new plot development starts to feel like a twist — because nothing is predetermined, and rationality and rigor have already gone out the window.
—Bilge Ebiri, Vulture, 13 Mar. 2025
Friedrich Nietzsche's idea of rationality, Apollonian, and the irrational passion, defined as Dionysian, have always been a sort of philosophical guide for Murano; his way of conceiving fashion.
—Alberto Calabrese, Vogue, 4 Mar. 2025
In recent years, both neuroscience and transformative leadership theory have increasingly recognized the importance of emotions and feelings alongside rationality.
—Nancy Zamierowski, Forbes, 18 Feb. 2025
See All Example Sentences for rationality
Cite this Entry
“Rationality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rationality. Accessed 27 Mar. 2025.
Copy CitationKids Definition
rationality
noun
ra·tio·nal·i·ty
ˌrash-ə-ˈnal-ət-ē
: the quality or state of being rational
Medical Definition
rationality
noun
ra·tio·nal·i·ty
ˌrash-ə-ˈnal-ət-ē
plural rationalities
1
: the quality or state of being rational
2
: the quality or state of being agreeable to reason
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