- 1 END
53A Terminus
55447 - 2 ASH
41A Pale shade of gray
50458 - 3 ECO
56D ___-friendly
42370 - 4 AHA
58D Sound of enlightenment
40379 - 5 ERAS
18A Paleozoic, Mesozoic, Cenozoic, etc.
38295 - 6 ALL
21A Opposite of none
28299 - 7 AMP
33D Roadie's load
25193 - 8 RAM
6A Ewe's mate
25166 - 9 ELLA
55A Spanish for "she"
23262 - 10 INCA
60A Member of an old Peruvian empire
23212 - 11 TIP
32D Pointer
22126 - 12 EDNA
56A Poet St. Vincent Millay
19245 - 13 HAS
12D "That ship ___ sailed"
19175 - 14 TEES
22A Summer tops
19145 - 15 RNS
29A Some O.R. staffers
19126 - 16 LYE
63A Very basic stuff?
17146 - 17 SKY
5D What's up?
17129 - 18 CHER
59A Nicolas Cage's co-star in "Moonstruck"
17104 - 19 OLGA
51D Gymnast Korbut
15133 - 20 HAHA
15A "Oh, very funny"
13125 - 21 TECH
9A Field in Silicon Valley
12101 - 22 CHAR
52A Burn slightly
1289 - 23 ACHES
1A Really feels yesterday's workout, say
1072 - 24 MENSA
8D High-I.Q. society
993 - 25 APPLE
40A Company that has engaged in trademark battles over the letter "i"
867 - 26 APRIL
48D The "cruellest" month, per T.S. Eliot
766 - 27 MOMA
14D N.Y.C. home to Matisse's "La Danse"
766 - 28 LANCE
50D Weapon for a joust
664 - 29 MOVE
14A Shift
652 - 30 AVAST
7D "Hold your horses, matey!"
567 - 31 IMSAD
34A Dejected expression?
510 - 32 OILY
62A Oleaginous
479 - 33 ROMAN
6D Caesar or Cicero
453 - 34 AKITA
30A Japanese dog breed
445 - 35 ENLIST
4D Sign up for the army
441 - 36 UMASS
20A Sch. with campuses in Amherst and Dartmouth
431 - 37 HATED
61A Very unpopular
427 - 38 PALAU
44A Micronesian nation made up of hundreds of islands
423 - 39 SANTACLAUS
23A Whom a Salvation Army volunteer might dress as
413 - 40 SYD
25D Cartoonist Hoff who wrote "Danny and the Dinosaur"
378 - 41 ISA
31D Words between "rose" and "rose" and "rose"
377 - 42 ATHLETE
41D Sporty sort
320 - 43 ALTI
19A Height: Prefix
234 - 44 AWFUL
37A Deplorable
233 - 45 PEALE
54A Charles Willson ___, George Washington portraitist whose name is apt for this puzzle's theme
225 - 46 THANK
13A Show appreciation to
220 - 47 EARTHA
26A Singer Kitt
218 - 48 OLIVES
36D Specialties of the Kalamata region
217 - 49 HAPPY
28A In good spirits
214 - 50 ISITME
45A "Am I the problem?"
213 - 51 ICEBAG
46D Remedy for swelling, perhaps
211 - 52 SMALLER
42D Like New Zealand vis-à-vis New Jersey, by population
28 - 53 CHALUPA
11D Deep-fried Mexican snack
26 - 54 VEINY
49D Like marbled beef or blue cheese
25 - 55 CHIDES
24D Scolds
24 - 56 WAVEDHI
38D Greeted someone from a distance
23 - 57 AGERS
64A Golden ___ (retirees)
114 - 58 API
37D Bee-related prefix
110 - 59 HERALDS
43D Greets with acclaim
19 - 60 ATWATER
1D Lee ___, Republican political strategist of the 1980s
16 - 61 THEALAMO
9D Remember this!
16 - 62 FLANNEL
39D Material for checkered pajamas
14 - 63 HALTERS
3D They'll hold your horses
14 - 64 HAULUP
27D Bring before a judge, say
14 - 65 IVANPAVLOV
47A Nobelist who conditioned dogs to salivate
14 - 66 QUANDARY
35D Dilemma
14 - 67 CHILEAN
2D Like Easter Island
13 - 68 EARLAPS
10D Features of deerstalker hats
13 - 69 LUSAKA
17D Capital of Zambia
12 - 70 QUASIMODO
35A Victor Hugo character who works at Notre Dame
12 - 71 RINGSABELL
57A Sounds familiar … or performs an action associated with 16-, 23-, 35- and 47-Across?
12 - 72 11