The term 'accompli, fait' is a French phrase meaning 'done, accomplished'. The two crossword solutions for this term are 'CERTAINTY' (9 letters) and 'FACT' (4 letters). CERTAINTY is the state of being certain or confident about something, while a FACT is an event or thing that is known to be true. Both words refer to something that has been done or accomplished, and thus are appropriate solutions for the term 'accompli, fait'.