1. beat down 2. become less 3. bring down 4. decline 5. decrease 6. dim 7. dismount 8. drop 9. drop away 10. drop off 11. fall 12. fall away 13. fall off 14. get down 15. go down 16. haul down 17. knock down 18. let down 19. lower 20. recede 21. reduce 22. sink 23. take down 24. wind down