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

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 …

Nov 25, 2025 · rationale (plural rationales or rationalia) An explanation of the basis or fundamental reasons for something. A justification or rationalization for something. quotations

These two words, “rational” and “rationale,” sound quite similar, but they mean different things. Let’s break down these words in a simple way, so you can use them correctly and understand …

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

Factsheet What does the noun rationale mean? There are two meanings listed in OED's entry for the noun rationale. See ‘Meaning & use’ for definitions, usage, and quotation evidence.