1: Rolling stone's lack, proverbially
3: Ultraviolet ray absorber
5: Toward the rear of a boat
8: Amethyst or tourmaline
12: '___ there, done that'
15: Montana and Washington
27: Basketball position (abbr.)
28: Welcoming gift on Maui
43: Craft entered gingerly
47: It's involved in inspiration
52: Killer ___ (excellent computer program)