easy
Give one reason for choosing the second answer.
What does Reason mean?
A reason explains why something happens or supports a choice; to reason is to think in connected, logical steps.
Dictionary definition
A fact, cause, purpose, or explanation that tells why something happens or supports a choice; reason can also mean the ability to think logically, or the act of reaching or presenting a conclusion through connected thought.
Example sentences
Reason in a sentence
easy
The wet pavement was the reason we walked slowly.
medium
The clues gave us reason to believe the package had arrived.
medium
Noah reasoned that the missing number must be even.
hard
The coach tried to reason with the players before changing the rule.
Writing practice
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Quick practice
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Practice the meaning of Reason
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What is a reason in 'The icy path was the reason for the delay'?
Here, reason names the cause that explains why the delay happened.
Practice 2
Which sentence uses reason as a verb?
Reasoned is the verb: the group used connected thinking to reach a conclusion.
Practice 3
Choose the best word: The footprints gave us ____ to believe someone had crossed the garden.
Have reason to believe means have evidence or a sound basis for a belief.
Practice complete
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Pronunciation coach
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Reason
Voice settings
Sounds like
ree · zuhn · strongest beat: ree
Tap each sound part, then blend the whole word together.
Learn
WordReason.
Partnoun, verb.
MeaningReason means A reason explains why something happens or supports a choice; to reason is to think in connected, logical steps.
ExampleExample: Give one reason for choosing the second answer.
Word breakdown
2 syllables. Say each part, then blend the word.
- Syllables
- ree · zuhn
- Strongest beat
- ree
- Ending
- zuhn
- Tip
- Put a little extra energy on ree.
Your turn
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Synonyms
Words like Reason
Antonym review
Does Reason have an opposite?
Reason can mean a cause, an explanation, logical ability, or logical thinking, so result and effect are consequences rather than true opposites and no single direct antonym covers the word.
Synonym practice
Want to practice reason synonyms in context? Try a Synonym Search question like "The reason for the delay was rain," then compare close word choices. Practice reason synonyms.
Word family
Reason word family
Base word
reason
noun
reasoning
The connected thinking used to reach or support a conclusion.
adjective
reasonable
Fair, sensible, or supported by good reasons.
adverb
reasonably
In a fair, sensible, or moderate way.
adjective
unreasonable
Not fair, sensible, or supported by good reasons.
Related words
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Student support
Understand Reason
Hint for students
A reason answers why; to reason is to connect facts or evidence so a conclusion makes sense.
Common mix-up
A reason may explain a result, but reason is not an antonym of result or effect. Also, 'the reason is because' is common, but 'the reason is that' is often clearer in formal writing.
Try it in class or at home
Show students three claims with possible evidence. Have them choose one useful reason for each claim, then use the verb reason to explain how the evidence supports the conclusion.
Teacher prompt
Use the model sentence 'Lena reasoned that the plant needed water because its leaves were drooping.' Ask students to separate the observation, the reasoning, and the conclusion.
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Learning activities
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