Definition of rationale in English:

rationale

Syllabification: ra·tion·ale
Pronunciation: /ˌraSHəˈnal
 
/

noun

A set of reasons or a logical basis for a course of action or a particular belief: he explained the rationale behind the change
More example sentences
  • Diplomatically, the American is happy to explain the rationale behind his attitude this year.
  • Here, its chair and previous vice chair explain the rationale behind the decisions
  • But other reasons and rationales exist for adopting and strengthening an historical perspective.
Synonyms
reason(s), reasoning, thinking, logic, grounds, sense; principle, theory, argument, case; motive, motivation, explanation, justification, excuse; the whys and wherefores

Origin

mid 17th century: modern Latin, neuter (used as a noun) of Latin rationalis 'endowed with reason' (see rational).

Definition of rationale in:

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