1. Sleighs
6. Passed with flying colors
10. Seaweed
14. Boundary
15. Pitch
16. Knights
17. Genus of heath
18. Porous limestone
19. A cleansing agent
20. Picnic dessert
22. Anagram of "Neat"
23. Countdown clock
24. Above the horizon
25. Chills and fever
29. Unique
31. Seek advice from
33. Completely covered
37. Blab
38. Indicate
39. Impassively
41. Harmful
42. Physical checkup
44. Travel on water by wind
45. Primitive weapon
48. Ballroom dance
50. Passage
51. Beginner
56. Against
57. Ages
58. Seaweed
59. Tropical root
60. Nil
61. Speaks
62. Distinctive flair
63. Shredded cabbage
64. Cast out
2. Former Italian currency
3. Broadcast
4. Cubes
5. Begin
6. Try
7. Deep gulch or ravine
8. Impose
9. College bigwig
10. Attackers
11. Kings of the jungle
12. A frame of iron bars
21. Trick
24. Formula 1 driver
25. Play parts
26. Caprine animal
27. "Do ____ others"
28. Approximation
30. Coddle
32. Gastric woe
34. Couch
35. Decorative case
36. A small wooded hollow
41. Carpentry tool
43. "Maple leaf" country
45. Condition
46. Prison-related
47. Surplus
49. Give a speech
51. Anagram of "Sent"
52. National symbol
53. Look at flirtatiously
54. Anagram of "Soak"
55. Exam