Rationale

/ˌræʃ.əˈnæl/

nounmediumCommonAcademic

Definitions

1

A set of reasons or logical basis for a course of action or belief.

/ˌræʃ.əˈnæl/

nounneutralmedium
Academic

A set of reasons or a logical basis for a course of action or a particular belief.

The government provided a clear rationale for the new policy.

💡 Simply: Imagine you're trying to convince your parents why you should get a new video game. Your rationale is all the good reasons you give them, like how you'll improve your hand-eye coordination and your grades won't suffer. It's your 'why' explained in a way they can understand.

👶 For kids: The reason why something happens or why you do something.

More Examples

2

The committee's rationale for the decision was based on extensive research.

3

He struggled to understand the rationale behind her actions.

How It's Used

Business

"The company's rationale for the merger was to expand market share."

Science

"The scientist provided a detailed rationale for his hypothesis."

Everyday Life

"She explained her rationale for quitting her job."

Idioms & expressions

sound rationale

A strong, logical, and well-supported reason.

"The judge upheld the verdict because the prosecution had a sound rationale for their case."

From French *rationnel* (rational), from Latin *rationalis* (relating to reason), from *ratio* (reason).

The word 'rationale' began appearing in English in the late 17th century, reflecting the growing emphasis on reason and logic during the Enlightenment.

Memory tip

Think of a 'ration' of reasons. A rationale is your logical serving of reasons.

rationalerationals

Usage

30%Spoken
70%Written