| 100% | MONOGRAM | 8 | Logo or initials, added to shirts and hankies |
| 41% | EGGNOG | 6 | Brandy or rum added to whipped dairy products and sugar, basically |
| 38% | CHEESE | 6 | Dairy product like Gouda or Parmesan that adds flavor and protein to your breakfast |
| 37% | SILENT | 6 | Quiet ... or a word that adds a twist to 20a, 34a, 60a, 4d, and 39d |
| 37% | COMPLEMENT | 10 | Add to and enhance |
| 37% | FERTILIZE | 9 | To make soil or land rich and ready for growing crops by adding the right substances to it |
| 36% | AMEND | 5 | Add to or subtract from |
| 36% | TRIM | 4 | Add to or remove from |
| 36% | AMENDS | 6 | Adds to or subtracts from |
| 36% | MILK | 4 | Add to tea or coffee |
| 36% | HAPPYMEAL | 9 | Certain fast-food offering ... or what 17-, 27- and 48-Across certainly don't add up to? |
| 35% | AFFIX | 5 | Add-on to the start or end of a word stem (as in 17-, 25-, 35-, 49- and 57-Across) |
| 35% | AMEND | 5 | Add to a bill or a will |
| 34% | SAUCE | 5 | *Dip or dressing used to add flavor and moisture, or what 13a could refer to |
| 34% | CREAMER | 7 | Dairy added to coffee or tea |
| 34% | DNA | 3 | Initials linked to Watson and Crick |
| 34% | SLICE | 5 | "Take a ___ of lime or lemon and add it to your drink. You can also keep one aside for garnishing!" |
| 34% | VIBRATOS | 8 | Tremulous effects added to voices or instruments |
| 34% | CINNAMON | 8 | Spice added to mulled wine or buns |
| 34% | ADORN | 5 | Add bells and whistles to |
| 34% | TOPS | 4 | Adds sprinkles and cherries to |
| 34% | ENRICHES | 8 | Adds vitamins and minerals to |
| 34% | ENRICH | 6 | Add vitamins and minerals to |
| 34% | USETHEON/OFFSWITCH | 18 | Add light, or not (and do this 13 more times to solve this puzzle) |
| 33% | SUGARCUBE | 9 | Sweet added to tea or offered to horses |
| 33% | BERRIES | 7 | Small, soft fruits, added to cereal or yogurt |
| 33% | NOTED | 5 | Observed, recorded, added to the spreadsheet and saved! |
| 33% | CHIASEEDS | 9 | Superfood added to cereals and smoothies |
| 33% | SEASON | 6 | Add spices to meat or vegetables |
| 33% | SEASON | 6 | Add spices or condiments to food |