reason out


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reason something out

to figure something out; to plan a reasonable course of action. Now let's be calm and try to reason this out. Let us reason out our difficulties.
See also: out, reason

reason out

v.
To determine or conclude something by logical thinking: The detective reasoned out the killer's motive. The mechanics were able to reason out the problem from the little I told them. Rather than worrying about the decision, let's sit down and reason it out.
See also: out, reason