reasoning

noun

rea·​son·​ing ˈrēz-niŋ How to pronounce reasoning (audio)
ˈrē-zᵊn-iŋ
1
: the use of reason
especially : the drawing of inferences or conclusions through the use of reason
2
: an instance of the use of reason : argument

Examples of reasoning in a Sentence

Could you explain your reasoning? They told everyone the reasoning behind the decision. a conclusion based on fallacious reasoning Humans possess the power of reasoning.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to the company, multiple benchmark results showed that its model’s overall performance surpassed that of Chinese AI start-up DeepSeek’s latest reasoning model. Dylan Butts, CNBC, 17 Sep. 2025 Today, models can analyze complex documents, write production-ready code, interpret visual data and act as the core reasoning engine for autonomous agents. Ajay Pundhir, Forbes.com, 17 Sep. 2025 This would help develop their own critical thinking and reasoning skills. Mrigakshi Dixit, Interesting Engineering, 17 Sep. 2025 Fed Chair Jerome Powell is scheduled to hold a news conference to explain the Committee's reasoning and outlook that could provide further guidance for investors and economists. Gabe Whisnant hollie Silverman, MSNBC Newsweek, 17 Sep. 2025 See All Example Sentences for reasoning

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of reasoning was in the 14th century

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Cite this Entry

“Reasoning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reasoning. Accessed 19 Sep. 2025.

Kids Definition

reasoning

noun
rea·​son·​ing
1
: the use of reason
2
: the reasons used in and the proofs that result from thought : argument

More from Merriam-Webster on reasoning

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