| cross heart(expression, state, maintain, agree, allow) |
| defend(verb, hold, claim, argue, insist) |
| guarantee(verb, support, state, maintain, back) |
| okay(verb, support, state, maintain, back) |
| request(verb, hold, press, maintain, claim) |
| rubber-stamp(verb, support, state, maintain, back) |
| say so(verb, expression, support, state, maintain) |
| specify(verb, give, present, maintain, declare) |
| stand for(verb, expression, state, give, mean) |
| substantiate(verb, support, maintain, back, declare) |
| swear up and down(verb, expression, idiom, support, state) |
| uphold(verb, support, maintain, back, declare) |
| vouchsafe |
| act as a witness(verb, expression, idiom, support, maintain) |
| act as if(expression, acknowledge, admit, assert, pretend) |
| add up to(verb, expression, idiom, state, give) |
| advantage |
| affirmation |
| agree(verb, admit, own, confess) |
| articulate signify(expression, state, give, mean, show) |