| Clue | Length | Answer |
|---|---|---|
| Validate | 3 letters | try |
| Validate | 4 letters | sign |
| Validate | 4 letters | test |
| Validate | 4 letters | seal |
| Validate | 5 letters | prove |
| Validate | 5 letters | taste |
| Validate | 6 letters | uphold |
| Validate | 6 letters | attest |
| Validate | 6 letters | second |
| Validate | 6 letters | affirm |
| Validate | 6 letters | ratify |
| Validate | 6 letters | verify |
| Validate | 6 letters | sample |
| Validate | 7 letters | probate |
| Validate | 7 letters | support |
| Validate | 7 letters | sustain |
| Validate | 7 letters | try-out |
| Validate | 7 letters | warrant |
| Validate | 7 letters | confirm |
| Validate | 7 letters | bearout |
| Validate | 8 letters | research |
| Validate | 8 letters | regulate |
| Validate | 8 letters | sanction |
| Validate | 8 letters | swear-to |
| Validate | 9 letters | undersign |
| Validate | 9 letters | reinforce |
| Validate | 9 letters | recognize |
| Validate | 9 letters | road-test |
| Validate | 9 letters | privilege |
| Validate | 9 letters | prescribe |
| Validate | 9 letters | undergird |
| Validate | 10 letters | strengthen |
| Validate | 10 letters | underwrite |
| Validate | 12 letters | subscribe-to |
| Validate | 12 letters | authenticate |
| Validate | 12 letters | substantiate |
| Validate | 12 letters | rubber-stamp |
Likely related crossword puzzle clues