Fetching details from the dictionary...
state (of mind); mental state; emotional condition
field (of activity)
one's lot; circumstance; situation in life
place; region; area; land
修行を重ねて悟りの境地に達した。
Through repeated training, I reached a state of enlightenment.
あの画家は独自の境地を開いた。
That painter opened up a unique artistic realm.
もう怒りを通り越して笑いの境地に至った。
I've gone beyond anger and reached the point of laughter.