✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

reasoning

noun

rea·​son·​ing ˈrēz-niŋ How to pronounce reasoning (audio)
ˈrē-zᵊn-iŋ
Synonyms of reasoningnext
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.
By this reasoning, every military oath ceremony becomes an act of sedition. Nicholas Creel, MSNBC Newsweek, 3 Dec. 2025 Wisniewski-Cobbina described the challenges of owning a small business to the Detroit Free Press early last year and the reasoning behind her decision to move the store to Little Village. Adrienne Roberts, Freep.com, 3 Dec. 2025 What’s next Future research needs to determine how empathy and reasoning can be strengthened in everyday decision-making. Stylianos Syropoulos, The Conversation, 2 Dec. 2025 Memory recall, pattern recognition, and logical reasoning are strong. Team Verywell Health, Verywell Health, 1 Dec. 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

Browse Nearby Words

Cite this Entry

“Reasoning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reasoning. Accessed 11 Dec. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!