성사돼요 · 성사됐어요 · 성사될 거예요 · 성사된 (+noun)
to come off, to go through, to be accomplished (a deal)
Example
두 회사의 합병이 마침내 성사되었습니다.
The merger of the two companies finally went through.
Word parts
성 achieve+사 matter
Literally 'the matter is achieved.'
Related words