rationale

/ˌræʃəˈnæl/
noun
  1. The set of reasons or logical basis for a decision, action, or belief.
    • What was the rationale for choosing that particular design?
    • The manager explained the rationale behind the new company policy.
    • The scientist provided a clear rationale for her experiment.
What does "rationale" mean? | whatsthatwordmean | whatsthatwordmean