| confirm(verb, support, maintain, determine, secure) |
| double-check(verb, support, fix, check, determine) |
| size up(verb, expression, phrasal verb, support, fix) |
| approve(verb, support, back, sign, permit) |
| circumstantiate(verb, support, back, sign, uphold) |
| get behind(verb, expression, phrasal verb, support, maintain) |
| give green light(verb, expression, idiom, support, back) |
| give high sign(verb, expression, idiom, support, back) |
| give stamp of approval(verb, expression, idiom, support, back) |
| give the go-ahead(verb, expression, idiom, support, back) |
| give the nod(verb, expression, idiom, support, back) |
| lap up(verb, expression, phrasal verb, support, back) |
| make good(verb, expression, support, back, sign) |
| rubber-stamp(verb, support, back, sign, permit) |
| sign off on(verb, expression, idiom, phrasal verb, support) |
| thumbs up(verb, expression, phrasal verb, support, back) |