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noun

rationale

/ˌræʃəˈnɑːl/  ·  say it: rash·uh·NAL

the underlying reasons for something

In Formal & Academic

In more detail

1. (noun) the reasons or logical basis for something; why something is done or believed

2. (noun) an explanation of the thinking behind a decision or action

Examples

How to use rationale

Rationale is used in formal or professional contexts to refer to the underlying reasons or reasoning that justify a decision, policy, or belief. It is more abstract and systematic than reason, and implies a structured logical foundation rather than a simple cause. It often appears after the prepositions 'for' or 'behind' when explaining a specific decision or action.

Common phrases

Synonyms

reason · basis · logic · justification · explanation

Word family

rationale (noun) · rational (adjective) · rationalize (verb) · rationality (noun)

A common mistake

Learners sometimes confuse rationale (noun: the reasons) with rational (adjective: sensible or logical), or fail to use the proper prepositions 'for' or 'behind' when introducing a rationale.

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Nearby in Formal & Academic

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