reason
Proposed by a contributor, not yet supported by evidence.
Also seen as: reasons · reasoning · reasoned
Sense 1
A cause: — That which causes something: an efficient cause, a proximate cause.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
A cause: — A motive for an action or a determination.
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
To deduce or come to a conclusion by being rational.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
To perform a process of deduction or of induction, in order to convince or to confute; to argue.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “reason” mean?
A cause: — That which causes something: an efficient cause, a proximate cause.
Is “reason” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.