1. hit, blow, strike

2. punch, jab

3. knock (door)

4. bump, bang, bash (sound of a blow or dull impact)

5. crowd, multitude (of people)

6. gush (of water), gust (of wind)

7. blast (of music)

8. heartbeat

9. beat; rhythm

10. bunch of seedlings (in one hole) (horticulture)

11. hole (for planting seedlings) (horticulture)

12. shot, stroke (billiards)

13. stroke (heat, of luck, of genius, etc.) (figurative, figuratively)

14. surprise

15. heist, job

16. swing (golf, baseball)