rationale

noun

ra·​tio·​nale ˌra-shə-ˈnal How to pronounce rationale (audio)
1
: an explanation of controlling principles of opinion, belief, practice, or phenomena
2
: an underlying reason : basis

Did you know?

Rationale comes from Latin ratio, meaning "reason," and rationalis, "endowed with reason." Ratio is reasonably familiar as an English word for the relationship (in number, quantity, or degree) between things.

Examples of rationale in a Sentence

the rationale for starting the school day an hour later is that kids will supposedly get an extra hour of sleep
Recent Examples on the Web So what was the rationale for the Marlins demoting him to Triple A? Jordan McPherson, Miami Herald, 16 Apr. 2024 The original rationale for the jacket was to make club members easily identifiable for tournament patrons seeking information on the grounds. Sam Farmer, Los Angeles Times, 11 Apr. 2024 Fortuna’s rationale was more ideological than Paris F.C.’s. Rory Smith, New York Times, 10 Apr. 2024 The rationale for a 486% drug price hike An injectable eye medicine called Triesence has been largely out of stock for years, despite being used to treat several diseases. Meghana Keshavan, STAT, 10 Apr. 2024 The rationale is something like this: AI tools will eventually handle a lot of the grunt work involved in protecting computer systems, like automatically scanning files for suspicious behavior and writing summaries of its findings. Rachyl Jones, Fortune, 9 Apr. 2024 The rationale is that consumers seem to prefer paying a low monthly rate plus an annual fee to paying slightly more each month, with no annual fee. Laura Daily, Washington Post, 6 Apr. 2024 Among those executives, this person says, the rationale for McDaniel’s hire was clear. Brian Steinberg, Variety, 25 Mar. 2024 The judge cited Border Patrol agents’ control over the minors’ ability to leave the sites — and their power to affect whether the children have access to aid and medical treatment — as the rationale for her ruling. Emily Baumgaertner, New York Times, 4 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'rationale.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Latin, neuter of rationalis

First Known Use

1657, in the meaning defined at sense 1

Time Traveler
The first known use of rationale was in 1657

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Dictionary Entries Near rationale

Cite this Entry

“Rationale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rationale. Accessed 23 Apr. 2024.

Kids Definition

rationale

noun
ra·​tio·​nale ˌrash-ə-ˈnal How to pronounce rationale (audio)
: a basic reason or explanation for something

More from Merriam-Webster on rationale

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