| acknowledge(verb, sign, confirm, endorse, initial) |
| put John Hancock on(verb, expression, idiom, sign, confirm) |
| rubber-stamp(verb, sign, confirm, endorse, initial) |
| sign(verb, name, confirm, rubber-stamp, undersign) |
| signature(verb, sign, confirm, endorse, initial) |
| subscribe(verb, sign, confirm, endorse, initial) |
| undersign(verb, sign, confirm, rubber-stamp) |
| witness(verb, sign, confirm, endorse, initial) |
| write name(verb, expression, sign, confirm, endorse) |
| ante up(expression, sign, rubber-stamp, undersign) |
| authorize(verb, sign, confirm, endorse, initial) |
| autograph(verb, sign, confirm, endorse, rubber-stamp) |
| confirm(verb, sign, endorse, initial, autograph) |
| cosign(sign, rubber-stamp, undersign) |
| countersign(sign, rubber-stamp, undersign) |
| dittoed(sign, rubber-stamp, undersign) |
| endorse(verb, sign, confirm, initial, autograph) |
| get behind(expression, sign, rubber-stamp, undersign) |
| give stamp of approval give the go-ahead(expression, idiom, sign, rubber-stamp, undersign) |
| go along with(expression, idiom, sign, rubber-stamp, undersign) |