開ける

What does 開ける mean in English?

1. to open out (of a view, scenery, etc.); to spread out; to become clear (of a road, visibility, etc.); to open up(v1, vi)
2. to improve (of luck, prospects, etc.); to get better(v1, vi)
3. to develop (of a town, civilization, etc.); to become civilized; to modernize; to grow; to advance (of knowledge, ideas, etc.)(v1, vi)
4. to be sensible; to be understanding; to be enlightened(v1, vi)
5. to open (of a new road, railway, etc.); to be opened to traffic(v1, vi)
6. to become populous; to become densely built; to become bustling(v1, vi)