1. A major division of geological time
4. Teeny
7. Public
12. Month
13. Respectful, abbr.
14. Fundamental
15. Wind instrument
17. The Muse of lyric and love poetry
18. Without armies
19. A waterproof raincoat made of rubberized fabric
21. Small amount
22. Titaness
24. Post-office box
25. Used esp. of vegetation
26. Role player
27. Clappers
29. More undefended
31. Kickshaw
35. Excessively devoted to one faction
37. Workplace
38. A way to spread out
41. Begetter
42. Town in Galilee
43. Monetary unit
44. Radioactivity unit
45. A way to ruin
46. Plumage
48. Saturday
52. Medieval fiddle
53. Capacity unit
54. Born of
55. A specific identifiable state (as in a process)
56. __ Ling, Chinese mountain range
57. Cablegram, abbr.
2. Not just "play"
3. The academic world
4. Genius
5. The longest division of geological time
6. Inspire with love
7. A detailed description of design criteria for a piece of work
8. Hill (Celtic)
9. Alar
10. Mongol
11. A way to ruin
16. Returned material authorization, abbr.
22. Letter
23. Come to pass
24. String
25. Unhappy
27. Japanese apricot
28. Spanish soldier
30. The compass point that is one point east (clockwise) of due north
32. Open
33. 007's creator
34. Don't know when yet
38. Cans
39. A small island
40. Lets divers breathe under water
42. Small two-wheeled horse-drawn
44. People who are believed to belong to the same genetic stock
45. Abba __, former Israeli politician
47. Helping
49. Alias
50. Drive
51. The world of the dead