puzzle

ACROSS

 1 Solid home base

 5 Tilts to one side

10 Developer's reference

14 "And miles ___ before I sleep" (Frost)

15 Hawaii "hi"

16 Prevalent

17 Secured, as a victory

18 Mortise's woodworking mate

19 Desktop graphic

20 Tyrannizing

23 Lummoxes

24 Forgets to mention

25 Like a CIA operation

28 Some former tadpoles

30 Singletons

31 Tablet maker of note

33 Weep

36 Game you can lose only once

40 Winter clock setting in Vt.

41 Arachnids found in dust

42 Make up ground

43 Waxy buildup site

44 Start of Richard III's plea

46 Plug projection

49 Gold measurement

51 Not knowing one's head from one's tail

57 Iris locale

58 Like a turkey's wattle

59 Get ___ a good thing

60 "Dadgummit!"

61 Counting everything

62 Common Maine tree

63 "If all ___ fails ..."

64 Achieve harmony

65 Hasenpfeffer, e.g.

solution

DOWN

 1 Show signs of life

 2 Centers of activity

 3 Like fine wines

 4 Like a ghost, say

 5 Tennis racket strings, once

 6 All eyes and ears

 7 Discouraged behaviors

 8 "You" of yesteryear

 9 Turned state's evidence

10 Spectrum formers

11 African antelope

12 Brewing

13 Serves beer after beer

21 Word in the Postal Service creed

22 The Beverly Wilshire, for one

25 Center

26 Encumbrance

27 Suit option

28 Grand-scale poetry

29 Seasonal strain

31 Industrious insects

32 "Before," when before

33 "You are here" symbol

34 He gave us a lift

35 Nota ___ (take notice)

37 Insect stage

38 Common inhalant

39 Diva's self-indulgences

43 Make one's blood boil

44 Diamond-shaped pattern

45 Was afflicted with

46 Overly proper person

47 Be in competition with

48 Parts, as a curtain

49 Groucho Marx prop

50 Viewpoint

52 "Heat of the Moment" band

53 "You ___?" (butler's question)

54 Group of troops

55 Fewer than few

56 Was told about