Definition of “reasoning” - English Dictionary

british dictionary

“reasoning” in British English

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reasoningnoun [ U ]

uk /ˈriː.zən.ɪŋ/ us /ˈriː.zən.ɪŋ/

C2 the process of thinking about something in order to make a decision:

The reasoning behind her conclusion is impossible to fault.
be no reasoning with sb

If there is no reasoning with someone, it is impossible to persuade that person to change their opinions or actions:

She's absolutely determined to go and there's just no reasoning with her.

(Definition of “reasoning” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)