rationale

Definitions

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

The fundamental reasons or principles serving as the foundation for something.

Examples

The committee requested a clear rationale for the proposed changes to the budget.

Her rationale for choosing that specific career path was based on a desire to help others.

Synonyms

justification reasoning basis logic grounds motive explanation

Antonyms

irrationality baselessness groundlessness unreasonableness absurdity incoherence nonsense