reasonable
Americanadjective
-
agreeable to reason or sound judgment; logical.
a reasonable choice for chairman.
- Synonyms:
- wise, judicious, intelligent, equitable
-
not exceeding the limit prescribed by reason; not excessive.
reasonable terms.
-
moderate, especially in price; not expensive.
The coat was reasonable but not cheap.
-
endowed with reason.
-
capable of rational behavior, decision, etc.
adjective
-
showing reason or sound judgment
-
having the ability to reason
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having modest or moderate expectations; not making unfair demands
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moderate in price; not expensive
-
fair; average
reasonable weather
Synonym Usage
Reasonable, rational refer to the faculty of reasoning. Rational can refer to the reasoning faculty itself or to something derived from that faculty: rational powers; a rational analysis. It can also mean sane or sensible: She was no longer rational; a rational plan. Reasonable most often means sensible: A reasonable supposition is one which appeals to our common sense. See moderate.
Other Word Forms
Etymology
Origin of reasonable
First recorded in 1250–1300; Middle English resonable, from Middle French raisonnable, from Latin ratiōnābilis. See reason, -able
Explanation
Reasonable describes someone or something that's sensible and fair, like your teacher who gives reasonable homework assignments — they don't take you forever to do and they relate to what you are studying. If you're reasonable, you have good sense and judgment. A reasonable decision is rational and thought out, like your mom's reasonable rule about not eating crumbly foods in her car. When you describe a store's prices as reasonable, you mean they're fair — not too high. And if you are given a reasonable amount of time to do a project for school, you have no excuse for it being late.
Vocabulary lists containing reasonable
Thomas Jefferson's First Inaugural Address (1801)
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List 6
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Plessy v. Ferguson (1896)
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That reinforced a "reasonable assumption" that it was "almost exclusively" entities connected to UniCredit that were accepting the offer, Commerzbank said in June.
From Barron's • Jul. 10, 2026
Reports routinely include aspects of parenting on which reasonable people disagree, such as how old a child should be to play unsupervised, or that reflect a parents’ lack of resources instead of any intentional misconduct.
From Slate • Jul. 7, 2026
This was "taking all of the benefit of the access and taking none of the burden of properly thinking about what is reasonable in the circumstances", he said.
From BBC • Jul. 6, 2026
The high school, the parent said, offered her daughter a team manager role or the opportunity to practice and not compete, but that “was not even close to being a reasonable expectation.”
From Salon • Jul. 5, 2026
“We’ll actually do some calculating to get a reasonable approximation.”
From "Because of Mr. Terupt" by Rob Buyea
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
