1. to open (a door, etc.); to unwrap (e.g. parcel, package); to unlock

2. to open (for business, etc.)

3. to empty; to remove; to make space; to make room (esp. 空ける)

4. to move out; to clear out (esp. 空ける)

5. to be away from (e.g. one's house); to leave (temporarily) (esp. 空ける)

6. to dawn; to grow light (esp. 明ける)

7. to end (of a period, season) (esp. 明ける)

8. to begin (of the New Year) (esp. 明ける)

9. to leave (one's schedule) open; to make time (for) (esp. 明ける)

10. to make (a hole); to open up (a hole)