1. School support org.
2. Carpentry tool
3. Congeal
4. Locks
5. Famously fussy pair of diners
6. Lofty place?
7. Nail anagram
8. Duck in "Peter and the Wolf"
9. "Smoking or ___?"
10. Vaporous
11. Noisy quarrel, e.g.
12. Sculpt
13. Trifled (with)
18. Came down
22. Bank offering, for short
23. Be theatrical
24. Easy runner
25. Option
26. Verifiable
28. Perfect, e.g.
29. A chip, maybe
31. Six-stringed instrument
33. Fix, in a way
34. Kilns
36. Preliminary formats for approval
37. Affectedly creative
41. Slum area
43. Biblical suffix
44. "___ it the truth!"
45. Visits the land of Nod
46. Irish county
47. More healthy
48. One handling 48A
50. Not many
51. Cleanse
54. Miss-named?
55. First lady McKinley
56. Chill in the air
57. Beetle juice?