reason
8 synonyms and 0 antonyms for reason, grouped by meaning and by how common each one is.
Noun — A cause or explanation for something; the motive behind an action.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use reason
The word patterns that sound natural to a native speaker.
Etymology
From Anglo-Norman raisun (Old French raison), from Latin ratiō ("reckoning, account"), from reor, "to think" — a doublet of ratio and ration.
Full origin of reason →Frequently asked questions
What does “reason” mean?
The word “reason” means a cause or explanation for something; the motive behind an action. In plain terms, either the cause or explanation behind something, the general capacity for logical thought, or (as a verb) to work something out logically.
How do you pronounce “reason”?
“Reason” is pronounced REE-zuhn (/ˈɹiːzən/ in IPA).
How do you use “reason” in a sentence?
Here is “reason” used in a sentence: “She never explained the reason for her sudden resignation.”
What is another word for “reason”?
Words with a similar meaning to “reason” include that which causes.
What part of speech is “reason”?
Depending on how it is used, “reason” can be a noun and a verb.
Where does the word “reason” come from?
The word “reason” comes from Latin. From Anglo-Norman raisun (Old French raison), from Latin ratiō ("reckoning, account"), from reor, "to think" — a doublet of ratio and ration.
Is “reason” a common word?
“Reason” is a very common word in modern English, usually learned at around the A1 level.
How many meanings does “reason” have?
“Reason” has 3 distinct senses listed in this dictionary. The most common is: a cause or explanation for something; the motive behind an action.
What is the difference between a reason and an excuse?
A reason is a genuine cause or explanation for something. An excuse is a reason offered to justify or escape blame, often one that is weak or not entirely honest. The same fact can be either: given sincerely it is a reason; used to dodge responsibility it becomes an excuse.
What is the difference between reason and cause?
A cause is what actually makes something happen — the ice caused the fall. A reason is the explanation or motive we give for it, and can involve thought and intention. Causes belong to events; reasons belong to people's choices. In everyday speech, though, the two words often overlap.
Can reason mean the ability to think?
Yes. Besides meaning a cause or motive, 'reason' names the human power to think logically, judge and draw conclusions — as in 'the age of reason' or 'listen to reason.' Used this way it refers to rational thought itself rather than any single explanation for a particular event.
Why is having a reason important?
A reason gives an action or belief a basis, making it understandable and justifiable rather than random. Reasons let us explain decisions, persuade others and judge whether a choice is sound. Without a reason, behaviour looks arbitrary; with one, it can be examined, questioned and defended.