| attest(verb, support, state, maintain, back) |
| guarantee(noun, verb, support, state, give) |
| swear(verb, state, maintain, declare, tell) |
| assure(verb, support, state, give, back) |
| testify(verb, state, give, maintain, declare) |
| confirm(verb, state, give, maintain, agree) |
| affirm(verb, support, state, give, maintain) |
| declare(verb, state, give, maintain, agree) |
| warrant(verb, support, give, back, declare) |
| state(verb, maintain, agree, allow, declare) |
| aver(verb, state, maintain, agree, allow) |
| assert(verb, state, give, maintain, agree) |
| avow(verb, state, give, maintain, agree) |
| depose(verb, agree, allow, acknowledge, admit) |
| promise(verb, give, declare, assert, engage) |
| ensure(verb, declare, commit, undertake, affirm) |
| pledge(verb, pass, catch, declare, commit) |
| maintain(verb, state, give, agree, allow) |
| profess(verb, state, give, maintain, agree) |
| insure(verb, declare, commit, undertake, affirm) |