1. Keep down
8. Fist pump or high-five, e.g.
15. Columbus, e.g.
16. Preprandial performance
17. Subject of plays by Sophocles, Sartre and O'Neill
18. Triceps-strengthening equipment
19. World of Warcraft participant, e.g.
20. Prefix for Rome's country
21. "__ every purpose under Heaven"
24. Pearl seekers
26. 2007 People magazine adjective for Matt Damon
27. Off
29. Player in Baton Rouge
31. Long stretch
32. Badlands Natl. Park site
35. Inlay option
36. Ms. Krabappel
37. Football Hall of Famer __ Barney
38. Eyeballed
40. "Sweet Home __"
42. Chair patter's words
46. Moldering
47. Prepared for bad news, say
48. Excited, with "up"
49. Chuck wagon bell sound
50. Strong and regal
53. Spinning around
55. Schmaltzy
56. Rooster, for some
57. Was unfaithful
58. Some garden machinery