reasoning
n.-
1 logical thinking (n.) B2 Upper Intermediatethe process of thinking about something in a clear and sensible way.
the action of thinking about something in a logical, sensible way to reach a conclusion.
ExampleI don't understand the reasoning behind your decision to quit your job.
ExampleThe committee's reasoning was based on a thorough analysis of the financial risks involved in the merger.
UsageOften used with the preposition 'behind' to explain the cause of an action.
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2 a set of arguments (n.) C1 Advanced Academicthe reasons or arguments that someone uses to explain their ideas.
a specific sequence of arguments or justifications used to support a particular viewpoint.
ExampleThe lawyer presented his reasoning to the judge during the trial.
ExampleThe paper provides a detailed line of reasoning that challenges the traditional interpretation of the historical data.
UsageCommonly appears in the phrase 'line of reasoning'.