그리하여 (geu-ri-ha-yeo) – as a result/therefore/thus
This word has essentially the same meaning as 그러면, 그렇다면, 그래서.
There are slight nuance differences but we generally don’t need to worry about those.
오늘 비가 왔어. 난 그리하여 집으로 나가지 않았어.
It rained today. Therefore I didn’t go out of the house.
어제까지 시험 잘 보러 열심히 공부했어. 그리하여 과결은 잘 됐어.
Up till yesterday, I studied hard to do well for the test. As a result, my test scores came out well.