야기해요 · 야기했어요 · 야기할 거예요 · 야기한 (+noun)
to cause, to give rise to, to provoke
Example
그의 발언은 큰 논란을 야기했습니다.
His remarks caused a big controversy.
Word parts
야 stir up+기 raise
Literally 'stirring up and raising'.
Good to know
Homonym warning: 이야기 (story) is unrelated; 야기하다 is a formal written verb.