1: Took to the air

5: Bounded area forming part of a whole

9: Walking-on-air feeling

14: Scrabble letter

15: Table spread

16: Casino ceiling

17: Deli orders

19: McIntosh or Granny Smith

20: Prego competitor

21: Geographical seven

23: Use the oars

24: Bailiwick

26: Kind of fracture

28: Relevance

31: Church recesses

32: Washing machine units

33: Ruing the run, perhaps

35: Skin designs, for short

38: Peak stat

39: Obviously getting warmer

42: One's good name, briefly

43: Greek letter

45: Spots

46: Basketry twig

48: Delineates

50: Thrift

52: Parson, e.g.

54: Sprawling narrative

55: Feed seed

56: Cauterize

59: They may be popped

62: Ease off

64: Some are plunging

67: From the nearest star

68: Dark greenish blue

69: 'Far out!'

70: Giant sequoias, e.g.

71: Emulate a couch potato

72: Neuter, as a horse

1: Uploading initials

2: False witness

3: Apart from this

4: Moor, sometimes

5: Cajoles

6: Shade tree

7: Island souvenirs

8: Give the slip to

9: Big bangs

10: Muhammad Ali a.k.a. 'The Louisville ___'

11: Stager

12: Country towers

13: Agonizes (over)

18: Least well done

22: Colorado ski resort

25: Metallic tests

27: Out of work? (abbr.)

28: Jai ___

29: Game on horseback

30: Revealing

31: Crops up

34: Have markers out

36: Overflow

37: Nimble

40: From now on

41: Humongous number

44: Tune

47: Catcher's goal

49: Scrooge and Silas Marner

51: Coop sound

52: It's a shore thing

53: Kind of union

57: Knock preceder

58: Woodwind requirement

60: Joint with a cap

61: Flippered fish fancier

63: Menlo Park monogram

65: 'Silent' prez, familiarly

66: Avg.