rationale

/ˌræʃəˈnɑːl/

/ˌræʃəˈnæl/ noun [C, usually singular]

Definition

› 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 insurance companies seeking any rationale for charging higher rates.

(Definition of rationale noun from the Cambridge Business English Dictionary © Cambridge University Press)

Focus on the pronunciation of rationale