Definition of reasonnext
1
as in explanation
a statement given to explain a belief or act she gave a good reason for her seemingly suspicious behavior

Synonyms & Similar Words

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2
as in motive
something (as a belief) that serves as the basis for another thing a firm belief that we are here on earth to help others is the reason for her tireless volunteer work

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reason

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verb

1
as in to understand
to form an opinion or reach a conclusion through reasoning and information she reasoned that since all of the cakes were on sale for the same price, she might as well pick the biggest one

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Synonym Chooser

How is the word reason different from other verbs like it?

Some common synonyms of reason are cogitate, deliberate, reflect, speculate, and think. While all these words mean "to use one's powers of conception, judgment, or inference," reason stresses consecutive logical thinking.

able to reason brilliantly in debate

When is it sensible to use cogitate instead of reason?

The meanings of cogitate and reason largely overlap; however, cogitate implies deep or intent thinking.

cogitated on the mysteries of nature

Where would deliberate be a reasonable alternative to reason?

The synonyms deliberate and reason are sometimes interchangeable, but deliberate suggests slow or careful reasoning before forming an opinion or reaching a conclusion or decision.

the jury deliberated for five hours

When is reflect a more appropriate choice than reason?

The words reflect and reason can be used in similar contexts, but reflect suggests unhurried consideration of something recalled to the mind.

reflecting on fifty years of married life

When can speculate be used instead of reason?

The words speculate and reason are synonyms, but do differ in nuance. Specifically, speculate implies reasoning about things theoretical or problematic.

speculated on the fate of the lost explorers

When would think be a good substitute for reason?

Although the words think and reason have much in common, think is general and may apply to any mental activity, but used alone often suggests attainment of clear ideas or conclusions.

teaches students how to think

Example Sentences

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.
Recent Examples of reason
Noun
For pizza pilgrims and locals simply looking for a dinner spot that will wow out-of-towners, there's no better reason to hop over the Hudson. Kat Chen, Condé Nast Traveler, 21 Sep. 2026 The government shelved the plan, and Tung resigned in 2005, citing health reasons. Los Angeles Times, 21 Sep. 2026
Verb
But then the Law & Order version of Swift reasoned that the real Swift most likely would be at home with her cats named after TV characters, one named after Benson. Kory Grow, Rolling Stone, 15 Sep. 2026 Other scientists had reasoned that because Neornithes species lived near water, something about this habitat helped protect them from the devastating effects of the mass extinction. Katie Hunt, CNN Money, 15 Sep. 2026 See All Example Sentences for reason
Recent Examples of Synonyms for reason
Noun
  • But overall the topicality is vague, as is the explanation for why this was an eight-episode project (other than that eight sideways is infinity).
    Daniel Fienberg, HollywoodReporter, 17 Sep. 2026
  • Reimbursement for travel can be granted under state regulation if there’s a reasonable explanation that an in-person appointment is needed.
    Los Angeles Times, Los Angeles Times, 17 Sep. 2026
Noun
  • Bland said detectives were looking to interview staff and the suspect to ascertain a motive for the attack.
    Joseph Serna, Los Angeles Times, 21 Sep. 2026
  • Schuck declined to comment about a motive behind the killings.
    Christine Pelisek, PEOPLE, 21 Sep. 2026
Noun
  • For him, the camera was never an excuse for detachment from human suffering.
    Simon Ellery, CBS News, 21 Sep. 2026
  • Just as naturally, used the game’s conclusion as an excuse not to answer.
    Scott Fowler, Charlotte Observer, 20 Sep. 2026
Noun
  • The findings therefore point specifically to an association with birthweight rather than demonstrating that rare earth exposure causes restricted fetal growth.
    Bojan Stojkovski, Interesting Engineering, 21 Sep. 2026
  • Is John finally taking on the mantle of Green Lantern, albeit for a very different cause?
    Siddhant Adlakha, Vulture, 21 Sep. 2026
Noun
  • Dolce’s cool, reductive architectural sense, with its airy vistas and great open spaces inside and out (perfect for their energetic Labradors, Lola and her son, Dali), is cluttered with the eclectic bounty that Gabbana has assembled over the years.
    Hamish Bowles, Vogue, 20 Sep. 2026
  • In an opinion essay Sunday, a trio of 1st Amendment and antitrust experts dismissed Paramount’s threat to leave Los Angeles as a ploy that doesn’t make business sense.
    Meg James, Los Angeles Times, 20 Sep. 2026
Noun
  • Hardly decipherable, but the syllables tugged at the corner of my mind.
    Literary Hub, Literary Hub, 22 Sep. 2026
  • That result remains etched in the standings but is finally blurred from McVay's mind.
    Armando Salguero OutKick, FOXNews.com, 22 Sep. 2026
Noun
  • But when conversing with AI lab employees, the model tended to give answers that were more cautious and to use reasoning that was longer and more critical.
    Jacek Krywko, Scientific American, 17 Sep. 2026
  • Microsoft is combining multi-agent orchestration, advanced reasoning, HPC, robotics and potential quantum capabilities within emerging scientific and enterprise architectures.
    Ingrid Vasiliu Feltes, Forbes.com, 16 Sep. 2026
Verb
  • Anyone who is actually a friend will understand that and respect your boundaries.
    Literary Hub, Literary Hub, 24 Sep. 2026
  • The reality star will compete on Netflix’s Million Dollar Secret as Deadline understands that the streamer renewed it for a third season.
    Peter White, Deadline, 23 Sep. 2026

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Cite this Entry

“Reason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reason. Accessed 24 Sep. 2026.

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