가결돼요 · 가결됐어요 · 가결될 거예요 · 가결된 (+noun)
to be passed, to be approved (by vote)
Example
그 법안은 찬성 다수로 가결되었습니다.
The bill was passed with a majority in favor.
Word parts
가 approve+결 decide
Literally 'decided as acceptable'.
Good to know
Opposite: 부결되다; in everyday news language, 통과되다 is a common synonym.