reason
A cause or explanation; to think logically.
Word facts
Definition
A reason is a cause, explanation, or justification for something. As a verb, to reason means to think clearly and logically to reach a conclusion.
Usage: Reason as a noun means a cause or justification. Reason as a verb means to think logically. Reasoning is the process; a reason is the result.
Example sentences
- 1
What is the main reason you chose this career?
- 2
She reasoned that the best path forward was to speak directly.
- 3
There is no good reason to delay this decision any further.
Word family
From Old French raison and Latin ratio ('reckoning, reasoning'), from reri ('to think, calculate'). Reason and ratio share the same root — both involve logical calculation.
Reason contains 'rea' — think of 'real'. Reasons explain what is real and why things happen.
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FAQ
Questions people ask
What does 'reasonable' mean?
Reasonable means fair, sensible, or within normal expectations. 'A reasonable price' is one that is fair and not extreme.
What is the difference between reason and cause?
A cause is what makes something happen. A reason adds the element of explanation or justification — often from a human perspective.