Rationale is a direct borrowing of the Latin word rationale, with which it shares the meaning “an explanation of controlling principles of opinion, belief, practice, or phenomena.”

RATIONALE definition: 1. the reasons or intentions that cause a particular set of beliefs or actions: 2. the reasons or…. Learn more.

RATIONALE meaning: the reason or explanation for something usually singular often + for, behind, or of

Definition of rationale noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. the fundamental reason or reasons serving to account for something. 2. a statement of reasons or principles. Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. …

"Rational" and "rationale" are easy to confuse because they look similar and both meanings relate to logic. "Rational" means well reasoned or logical. For example: That was a rational decision. …

Dec 26, 2025 · rationale (plural rationales or rationalia) An explanation of the basis or fundamental reasons for something. A justification or rationalization for something.

The rationale for something is the basic or underlying reason or explanation for it. This noun (pronounced "rash-uh-NAL") is usually used in the singular: What was the rationale behind his …

RATIONALE definition: the fundamental reason or reasons serving to account for something. See examples of rationale used in a sentence.

Apr 10, 2025 · Rationale refers to the reasoning or justification behind a decision, action, or belief. It is the explanation or logical basis for why something is done, providing insight into the underlying …