rationale Meaning in the Cambridge English Dictionary
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Meaning of “rationale” in the English Dictionary

"rationale" in British English

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rationalenoun [C or U]

uk   /ˌræʃ.əˈnɑːl/  us   /-ˈnæl/ formal
the ​reasons or ​intentions that ​cause a ​particular set of ​beliefs or ​actions: I don't ​understand the rationale for these ​restrictions. He ​tried to ​explain the ​scientific rationale behind his ​work.
(Definition of rationale from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"rationale" in American English

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rationalenoun [C/U]

 us   /ˌræʃ·əˈnæl/
the ​reasons or ​intentions for a ​particular set of ​thoughts or ​actions: [C] I don’t ​understandyour rationale.
(Definition of rationale from the Cambridge Academic Content Dictionary © Cambridge University Press)

"rationale" in Business English

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rationalenoun [C, usually singular]

uk   /ˌræʃəˈnɑːl/  us   /ˌræʃəˈnæl/
the set of reasons that are given to explain a particular decision, ​action, etc.: We have spoken to ​shareholders to explain the rationale behind our ​bid.the rationale for sth/doing sth This ​data can be ​abused by ​insurancecompaniesseeking any rationale for ​charginghigherrates.
(Definition of rationale from the Cambridge Business English Dictionary © Cambridge University Press)
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