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 some reason, her spasms of agony were never spoken of in the daytime; there was no place for them in the family discourse. Literary Hub, 26 Aug. 2026 Roster There is legitimate reason for optimism when looking at Dallas’ high-ceiling roster makeup. David Troy Outkick, FOXNews.com, 26 Aug. 2026
Verb
Instead, Watts reasoned McCollough must not have had enough water that day. Cheyenne Roundtree, Rolling Stone, 20 Aug. 2026 And people including many scientists living back then, were very convinced that this was an animal who could do mathematics, who could count, who could reason about simple problems in the way that humans do. Quanta Magazine, 20 Aug. 2026 See All Example Sentences for reason
Recent Examples of Synonyms for reason
Noun
  • But in Silicon Valley, a different, more sinister explanation for the anti-data center movement has taken hold.
    Harmeet Kaur, CNN Money, 27 Aug. 2026
  • The most compelling explanation so far comes from Nepal’s hydrology department.
    Milad Haghani, Scientific American, 27 Aug. 2026
Noun
  • Police have not released a motive for the attacks, or the identities of the suspect and victims.
    Maddie White, CBS News, 26 Aug. 2026
  • Then Front Office Sports wants documentation, competing sources and a discussion about our motives.
    Dan Zaksheske OutKick, FOXNews.com, 25 Aug. 2026
Noun
  • While the sun sets earlier and earlier, there’s no better excuse to unplug, curl up and turn the page.
    Los Angeles Times, Los Angeles Times, 31 Aug. 2026
  • That obviously makes Labor Day a particularly good excuse to mix a cocktail that squeezes a little more out of summer.
    Emily Price, Forbes.com, 30 Aug. 2026
Noun
  • This is evidenced by the countless projects and initiatives that have emerged over these nearly three decades to honor her memory and carry on her charitable work in support of important social causes.
    Laura Scafati, Vanity Fair, 31 Aug. 2026
  • For his part, Johnson — who has not yet announced a reelection bid — credits progressive policies aimed at the root causes of crime, including major spending on youth summer jobs and community violence intervention.
    Jake Sheridan, Chicago Tribune, 31 Aug. 2026
Noun
  • In its evaluation, the committee cited the film’s polished craftsmanship and the clarity of its directorial vision, pointing to the tone and mise-en-scène that sustain a sense of pressure throughout the story.
    Naman Ramachandran, Variety, 25 Aug. 2026
  • To channel this sense of joyful minimalism, pair a bold color with playful accents, rich textures, and meaningful décor that brings personality to the space without overwhelming it.
    Michele Laufik, Martha Stewart, 25 Aug. 2026
Noun
  • On his mind are various ideas for addressing social upheaval.
    Reuters, NBC news, 27 Aug. 2026
  • While the settlement may put Meta investors' minds at ease for now, while setting a perhaps reassuring precedent for the rest of social media, analysts don't think the Mark Zuckerberg company is completely out of the legal woods.
    Tobias Burns, CNBC, 26 Aug. 2026
Noun
  • McMillan, who was Prince’s lawyer for more than a decade, jumped on a Zoom with Rolling Stone to discuss Timeless, his reasoning behind the Netflix decision, the estate’s future plans, and much more.
    Brian Hiatt, Rolling Stone, 28 Aug. 2026
  • The reasoning behind Criterion’s selections remains somewhat mysterious.
    Sophia Nguyen, The Atlantic, 28 Aug. 2026
Verb
  • Luiz understands that aspect, too, acknowledging that Sporting KC needed him four separate times during Thursday’s news conference.
    Daniel Sperry, Kansas City Star, 28 Aug. 2026
  • Instead of starting with a new component, its engineers worked to understand the hardware already available to NAVAIR.
    Aamir Khollam, Interesting Engineering, 28 Aug. 2026

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Cite this Entry

“Reason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reason. Accessed 2 Sep. 2026.

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