Definition of raison d'état in English:

raison d'état

noun

  • A purely political reason for action on the part of a ruler or government, especially where a departure from openness, justice, or honesty is involved.

Origin

French, literally ‘reason of state’.

Pronunciation

raison d'état

/ʀɛzɔ̃ deta//ˌreɪzɒ̃ deɪˈta/