| 100% | FOE | 3 | 26-Across, to Maxwell Smart |
| 48% | WOULDYOUBELIEVE | 15 | Maxwell Smart catchphrase |
| 48% | NOTHING | 7 | Alternative to 26-Across |
| 47% | SHOE | 4 | Maxwell Smart's "phone" |
| 47% | AGENT | 5 | Maxwell Smart, for one |
| 47% | AGENT | 5 | Maxwell Smart, e.g. |
| 47% | SPY | 3 | Maxwell Smart, e.g. |
| 45% | AGNEW | 5 | See 26 Across |
| 45% | AAH | 3 | Response to a 26-Across, perhaps |
| 44% | COLORED | 7 | Applied 40 Across to |
| 44% | SPY | 3 | Maxwell Smart or Austin Powers, for example |
| 43% | DETS | 4 | Some 26 Across, for short |
| 43% | NUDEBOMB | 8 | 1980 Maxwell Smart film, with "The" |
| 43% | SHOE | 4 | Locale of Maxwell Smart's phone |
| 43% | STEVECARELL | 11 | He played Maxwell Smart in 2008 |
| 43% | SHOE | 4 | Location of Maxwell Smart's phone |
| 42% | CLEVER | 6 | Smart; quick to understand |
| 42% | TORI | 4 | 40 Across, to mathematicians |
| 42% | PARFORTHECOURSE | 15 | Average ... or a literal hint to 17-, 26- and 42-Across |
| 42% | LIQUORSTORE | 11 | Where to purchase the starts of 21-, 26- and 45-Across |
| 42% | CLOUT | 5 | Influence ... and a hint to 20-, 26-, 46- and 56-Across |
| 42% | WINDBREAKER | 11 | Lightweight jacket, and a hint to 21-, 26- and 44-Across |
| 41% | DECLAW | 6 | Render harmless, perhaps, to 26-Across's kin |
| 41% | TRAIN | 5 | Alternative to avoid the headaches of 17-, 26-, 44- and 58-Across |
| 41% | BLANKTILE | 9 | What you'd need to play 26-, 29-, 43- or 45-Across |
| 41% | GLOSS | 5 | Some makeup ... or a hint to 17-, 26-, 43- and 58-Across |
| 41% | PALS | 4 | Friends that surround the answers to 21-, 26-, 43- and 50-Across |
| 40% | REED | 4 | Used in 13 Across to produce a tone |
| 40% | FOP | 3 | Smart dresser to collapse, left out |
| 40% | REO | 3 | Alternative to a Maxwell |