- 1 AGE
40A Yellow or gray
47417 - 2 USE
9D Zoning concern
47356 - 3 IDO
14A Words of promise
33336 - 4 ETON
34A Rival school of Winchester
32282 - 5 EMIT
59D Let out
30262 - 6 OMEN
47A Sign
29257 - 7 PTA
43A K-12 school org.
25240 - 8 DOT
37A Feature of two lowercase letters of the alphabet
25178 - 9 EMT
64D Certain fire dept. employee
21188 - 10 PRE
63D Lead-in to K
21175 - 11 ITO
68A "Am ___ understand ...?"
20240 - 12 URN
25D Where to find an average joe?
19244 - 13 PEN
1A Write
19187 - 14 IKEA
67A "Make room for life" sloganeer
19130 - 15 TAG
71A See 70-Across
15132 - 16 NOIR
3D Gritty genre
14110 - 17 CMON
53A "Let's go!"
1469 - 18 PIN
1D A.T.M. necessity
12103 - 19 ESTE
13D Where the sun rises, in Mexico
11203 - 20 TOFU
56D Meat substitute
1181 - 21 SNOG
61D Make out, in Manchester
1134 - 22 STENO
33D Transcriber
10131 - 23 MAAM
15A Respectful term of address
1092 - 24 AMORAL
49D Ethically unprincipled
1064 - 25 AUDI
24A German wheels
9111 - 26 DEEP
27D Far parts of the universe
991 - 27 OTRA
54D "Por ___ parte" (Spanish for "on the other hand")
979 - 28 PDAS
23A Smartphones replaced them, for short
947 - 29 HASH
70A With 71-Across, symbol used four times in this puzzle with four different meanings
774 - 30 CAKE
41A Dessert made primarily of flour, butter, eggs and sugar
758 - 31 III
45D Article of the Constitution that provides for the Supreme Court
4126 - 32 SMEE
7D Hook's henchman
4118 - 33 DOG
26D Place to get a rescue animal
481 - 34 TOKEN
32D Arcade item
437 - 35 DENIAL
27A "It wasn't me," for one
418 - 36 REDACT
19A Black out, in a way
417 - 37 JAR
8D Unsettle
397 - 38 BNAI
11D ___ B'rith
345 - 39 AMANDA
4D Mystery novelist Cross
343 - 40 EATER
38A Consumer
342 - 41 LIKE
22A Much-overused filler word
333 - 42 RATA
60D Pro ___
284 - 43 OCTO
54A Numerical prefix ... or, with 62-Across, another name for this puzzle's key symbol
262 - 44 MUIR
52A Sierra Club founder John
246 - 45 AMTS
4A Recipe details: Abbr.
237 - 46 IDUNNO
50A Comment accompanying a shrug
221 - 47 SUPINE
18D Not prone
210 - 48 RAZOR
36D Finely honed
143 - 49 AMULET
69A Charm
141 - 50 CHEM
55D Nobel Prize category: Abbr.
113 - 51 THORPE
62A Olympian Jim or Ian
112 - 52 ASANAS
16A Yoga poses
111 - 53 MADLIB
10D Fill-in-the-blanks story
18 - 54 NOTAT
29D Absent from
16 - 55 AMGEN
30D Major biotech company
14 - 56 ETATS
28D Les ___-Unis
054 - 57 EDUC
2D Cabinet dept.
033 - 58 RSTU
39D Alphabet quartet
027 - 59 LACK
12D Absence
013 - 60 SHIH
58D ___ Tzu
011 - 61 STATION
48A Astronauts' workplace
011 - 62 ADAMN
31D What Rhett Butler didn't give
010 - 63 NUISANCE
17A Bother
09 - 64 CHAKA
53D R&B singer Khan
08 - 65 RACIER
21D More spicy
08 - 66 ACROBATS
30A Cirque du Soleil performers
07 - 67 ARMING
35A Activating, as a security system
07 - 68 DOODAH
51D Repeated part of the "Camptown Races" refrain
04 - 69 TACHS
6D Instruments on dashes
04 - 70 HANDYMAN
65A Jack-of-all-trades
03 - 71 MANCALA
5D Stone-capturing board game
03 - 72 SIMONES
46D Mother-and-daughter singers Nina and Lisa
03 - 73 SIZERS
44A Ring-measuring devices
03 - 74 02
- 75 JUMBLE
8A Popular newspaper puzzle
02 - 76 REFARM
66A Plow and plant again
02 - 77 01
- 78 01