Rationale comes from Latin ratio, meaning "reason," and rationalis, "endowed with reason." Ratio is reasonably familiar as an English word for the relationship (in number, quantity, or degree) between things.

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

rationale (behind/for/of something) the principles or reasons which explain a particular decision, course of action, belief, etc. synonym reason. What is the rationale behind these new exams?

RATIONALE翻译：根本原因；基本原理。 了解更多。

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 decision to quit?

The rationale for a course of action, practice, or belief is the set of reasons on which it is based.

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

the fundamental reason or reasons serving to account for something. a statement of reasons. a reasoned exposition of principles. First recorded in 1650–60; from Latin: neuter of ratiōnālis …

The rationale for a course of action, practice, or belief is the set of reasons on which it is based.

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