開ける

to open out (of a view, scenery, etc.); to spread out; to become clear (of a road, visibility, etc.); to open up

to improve (of luck, prospects, etc.); to get better

to develop (of a town, civilization, etc.); to become civilized; to modernize; to grow; to advance (of knowledge, ideas, etc.)

to be sensible; to be understanding; to be enlightened

to open (of a new road, railway, etc.); to be opened to traffic

to become populous; to become densely built; to become bustling