Meaning of fait accompli*

fait ac•com•pli

Pronunciation: (fe ta-kôn-plē'), [key]
— pl. faits ac•com•plis
  1. an accomplished fact; a thing already done:fait accompli long before the formal surrender. The enemy's defeat was a
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.