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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

Synonyms & Similar Words

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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
Los Angeles was without James Harden, who missed his second straight game due to personal reasons. CBS News, 3 Feb. 2026 The Gem State got a high score for several reasons, the report said. Angela Palermo february 3, Idaho Statesman, 3 Feb. 2026
Verb
One can reason through the sort of self-reinforcing feedback loop this establishes. Sal Rodriguez, Oc Register, 23 Jan. 2026 The Alabama Court of Criminal Appeals threw out the conviction, reasoning that while Abernethy broke NCAA rules, his conduct didn’t constitute a crime. Michael McCann, Sportico.com, 22 Jan. 2026 See All Example Sentences for reason
Recent Examples of Synonyms for reason
Noun
  • But Payton can no longer live in the past as an explanation for his role in the future.
    Troy Renck, Denver Post, 1 Feb. 2026
  • There's just no other explanation.
    Dalton Ross, Entertainment Weekly, 1 Feb. 2026
Noun
  • While law enforcement has not identified a suspect or motive, Nanos said there is no indication of an ongoing threat to the public.
    Dante Motley, Austin American Statesman, 3 Feb. 2026
  • While authorities continue gathering evidence and chasing down leads, the motive behind the disappearance was unclear.
    Helen Rummel, AZCentral.com, 3 Feb. 2026
Noun
  • In short, there’s no excuse for a lack of wellness support.
    Serenity Gibbons, Forbes.com, 29 Jan. 2026
  • Making up excuses for things not to go perfectly would have been easy with the team dealing with illnesses.
    Anthony Solorzano, Los Angeles Times, 29 Jan. 2026
Noun
  • The exact cause of death was not clear and few other details were provided.
    Jessica Schladebeck, New York Daily News, 30 Jan. 2026
  • Officials won't be able to diagnose the cause of the leak until the pipe is excavated.
    Everett Eaton, jsonline.com, 30 Jan. 2026
Noun
  • In that sense, the film answers its own question.
    Peter Debruge, Variety, 31 Jan. 2026
  • To get a better sense of that, CBS News Bay Area spoke with Arkesha Baquet, co-owner of Li'l Dizzy's Café in New Orleans, home of Super Bowl LIX.
    Max Darrow, CBS News, 31 Jan. 2026
Noun
  • The brainchild of Chris Roberts, the mind behind Wing Commander and Freelancer, Star Citizen is probably the most ambitious ongoing project in video games, having raised nearly one billion dollars in funding as of this writing.
    Alan Bradley, Space.com, 31 Jan. 2026
  • But for the mother-daughter pair, their minds were on Minneapolis and how federal agents have handled immigration enforcement.
    John Lauritsen, CBS News, 30 Jan. 2026
Noun
  • This focuses on mission reasoning, tasking, coordination, and supervision across multiple platforms and domains.
    Sabbir Rangwala, Forbes.com, 30 Jan. 2026
  • The reasoning was equally consistent.
    Amena Bakr, semafor.com, 30 Jan. 2026
Verb
  • London — Andrew Mountbatten-Windsor, formerly known as Britain’s Prince Andrew, has moved out of his longtime Windsor home and is now a resident of Norfolk, England, CNN understands.
    Max Foster, CNN Money, 4 Feb. 2026
  • That’s what’s gotta be understood.
    Ryan Morik, FOXNews.com, 4 Feb. 2026

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Cite this Entry

“Reason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reason. Accessed 4 Feb. 2026.

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