| affirm(verb, support, agree, back, sign) |
| approve(verb, support, accept, agree, allow) |
| authenticate(verb, support, back, sign, approve) |
| back(verb, support, help, accept, allow) |
| bear out(verb, expression, phrasal verb, support, back) |
| buy(verb, support, agree, back, sign) |
| check out(verb, expression, phrasal verb, support, agree) |
| corroborate(verb, support, back, sign, approve) |
| endorse(verb, support, accept, allow, back) |
| give green light(verb, expression, idiom, support, help) |
| give the go-ahead(verb, expression, idiom, support, accept) |
| give the green light(verb, expression, idiom, accept, agree) |
| give the nod(verb, expression, idiom, support, help) |
| go for(verb, expression, phrasal verb, support, help) |
| lap up(verb, expression, phrasal verb, support, accept) |
| okay(verb, support, accept, agree, allow) |
| rubber-stamp(verb, support, accept, agree, back) |
| sanction(verb, support, accept, allow, back) |
| sign(verb, support, agree, back, acknowledge) |
| sign off on(verb, expression, idiom, phrasal verb, support) |