| Solution | Length | |
|---|---|---|
| 4 letters | ||
| conn | 4 | |
| seal | 4 | |
| pass | 4 | |
| OKAY | 4 | |
| sign | 4 | |
| amen | 4 | |
| 5 letters | ||
| prove | 5 | |
| adopt | 5 | |
| enact | 5 | |
| close | 5 | |
| 6 letters | ||
| secure | 6 | |
| verify | 6 | |
| enseal | 6 | |
| repass | 6 | |
| affirm | 6 | |
| uphold | 6 | |
| strike | 6 | |
| second | 6 | |
| settle | 6 | |
| 7 letters | ||
| warrant | 7 | |
| wink at | 7 | |
| take up | 7 | |
| sustain | 7 | |
| support | 7 | |
| endorse | 7 | |
| approve | 7 | |
| probate | 7 | |
| confirm | 7 | |
| 8 letters | ||
| sanction | 8 | |
| swear to | 8 | |
| validity | 8 | |
| validate | 8 | |
| sanctify | 8 | |
| 9 letters | ||
| privilege | 9 | |
| undersign | 9 | |
| undergird | 9 | |
| RECOGNIZE | 9 | |
| establish | 9 | |
| reinforce | 9 | |
| authorize | 9 | |
| 10 letters | ||
| UNDERWRITE | 10 | |
| strengthen | 10 | |
| consecrate | 10 | |
| 12 letters | ||
| subscribe-to | 12 | |
| substantiate | 12 | |
| RUBBER STAMP | 12 | |