1 B2 neutral
To find the solution to a problem or the answer to a question by using careful, logical thinking.
"She took a moment to reason out the best route before starting the journey."
separable
reason out
B2 neutral separable transitive
To find an answer or solution by thinking logically and carefully through all the steps.
In plain English
To solve a problem by thinking about it carefully and logically, step by step.
What does "reason out" mean?
2 meanings, ordered from most common to least. Color-coded by CEFR level.
2 B2 neutral
To resolve a disagreement or confusion by thinking through it rationally.
"The two colleagues sat down and reasoned out their differences rather than letting tensions escalate."
separable
Usage tip
Slightly formal in tone. Emphasises rationality and logic rather than intuition or guesswork. Can be used in both intellectual and practical contexts.
Words that pair with "reason out"
Natural word combinations native speakers use most often.
problem solution answer argument position difference
How to conjugate "reason out"
The five tense forms you'll use most often.
Base
reason out
I/you/we/they
3rd person
reasons out
he/she/it
Past simple
reasoned out
yesterday
Past participle
reasoned out
have + pp
-ing form
reasoning out
continuous
Hear "reason out" in the wild
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Other ways to say "reason out"
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