reason 1 of 2

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
Li brought this up pre-emptively on Thursday, explaining that there’s a reason why their fourth-down conversion percentage (fourth best in the league) is so much higher than their third-down conversion percentage (25th). Alex Zietlow, Charlotte Observer, 9 Jan. 2026 Even there, the talent chosen had more than a professional reason for being there. Chris Willman, Variety, 9 Jan. 2026
Verb
The best clues, Clay reasoned, were things like context and sentence structure. David Owen, New Yorker, 22 Dec. 2025 The California Air Resources Board reasoned that an e-bike can replace many shorter car trips for far less money. Hannah Ruhoff, Sacbee.com, 17 Dec. 2025 See All Example Sentences for reason
Recent Examples of Synonyms for reason
Noun
  • Certainly not satisfied with official explanations of how this came to pass.
    Dana Goodyear, New Yorker, 7 Jan. 2026
  • Tyler went on in her response to provide explanations for each of the violations OCPF auditors noted in the disposition.
    Tim Dunn, Boston Herald, 7 Jan. 2026
Noun
  • No arrests have been announced, nor have police offered any hints for a motive for the killing.
    Jakob Rodgers, Mercury News, 9 Jan. 2026
  • One person is currently in custody, but details have not been released about the suspect's identity or potential motive.
    Julianna Duennes Russ, Austin American Statesman, 8 Jan. 2026
Noun
  • Yes, potential excuses exist, such as the Tigers’ switch to Daniels, a senior Stanford transfer whose tremendous performance (353 yards passing and two touchdowns, 89 yards rushing and two touchdowns) demands the question of why Freeze didn’t turn the offense over to him weeks ago.
    Joe Rexrode, New York Times, 9 Nov. 2025
  • No excuses, but there were two reasons for wearing it.
    Becca Longmire, PEOPLE, 7 Nov. 2025
Noun
  • The preliminary investigation did not find any obvious signs of trauma on Strother and his cause of death is pending, according to the BCA.
    Mars King, Twin Cities, 9 Jan. 2026
  • The officers determined that the woman’s death did not appear to be from natural causes.
    Sydney Barragan, Oc Register, 9 Jan. 2026
Noun
  • So there's really no choice but for the four major conference commissioners to compile a set of rules and guidelines that make at least a marginal bit of sense.
    Arkansas Online, Arkansas Online, 8 Jan. 2026
  • Create a sense of order by clearing those surfaces of holiday-specific decor.
    Kristin Hohenadel, The Spruce, 8 Jan. 2026
Noun
  • Like, rot-your-mind, hindbrain stimulation, violence/gore/goofy villains-type fun.
    Lily Osler, Vulture, 10 Nov. 2025
  • However, the threat to personal safety while attending college can linger in the back of a student’s mind, potentially stoking fear among those who are just trying to earn their education.
    Julia Bonavita, FOXNews.com, 9 Nov. 2025
Noun
  • Yet correct answers on benchmarks like GSM8K do not necessarily mean the model is actually engaging in mathematical reasoning, study author Mahdi said.
    Jared Perlo, NBC news, 6 Nov. 2025
  • With this reasoning, the Court ruled against Scott and legalized slavery in the territories by overturning the Missouri Compromise.
    Equal Justice Initiative, USA Today, 6 Nov. 2025
Verb
  • Even though just three can alert to an emergency, many more are needed to understand what is behind those emergencies.
    Arkansas Online, Arkansas Online, 11 Jan. 2026
  • Those specifics aside, more stunningly, researchers discovered that these brave, early explorers of new worlds demonstrated a different way of moving than had been previously understood.
    Maria Mocerino, Interesting Engineering, 11 Jan. 2026

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Cite this Entry

“Reason.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reason. Accessed 12 Jan. 2026.

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