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rationale (noun) the reason or the natural basis for an action, decision, etc.
The rationale behind an action is the reason, the principle that explains the action. The rationale behind a policy is the principle, which can justify it. The rationale behind a decision is the reason that can support the decision. ‘The rationale behind the new examination system is to reduce the pressure on the student.’ This means that the reason for explaining the new examination system is to reduce the pressure on the student.
- Economy appears to be the rationale for his moving into the new though smaller house. With the increase in the expenditure and without a corresponding rise in his income he felt that such a big house was not affordable for him.
- Not every one is convinced of the rationale of the US military intervention in Iraq. A good number of people are not satisfied that the US had a good reason to attack Iraq.