Rationale

Noun

Definition: the underlying reason or explanation for a decision, belief, or action.

Synonyms: Justification, Reason, Basis, Explanation

Antonyms: Irrationality, Illogicality, Nonsense

Examples:

The rationale behind their decision was to maximize profits.
The government provided a rationale for implementing new policies.

Mnemonics:

Think of rationale as a logical foundation for a decision.
Remember that rationale starts with "rat" which can be associated with reason and intelligence.

Etymology:

Origin:

The word "rationale" originated from Latin "rationalis," from "ratio" meaning "reason."

Historical Usage:

The term "rationale" has been used since the 17th century to refer to the underlying reasoning or logic behind something.

Related Idioms:

Idiom:

"Underlying rationale"

Explanation:

This phrase emphasizes the hidden or fundamental reason behind a decision or action.

Misconceptions:

Misconception:

Confusing "rationale" with "rationality."

Explanation:

While "rationale" refers to the reasoning behind a decision, "rationality" refers to the quality of being logical or reasonable. These two words are related but have distinct meanings and should not be used interchangeably.