| certify(verb, state, maintain, agree, allow) |
| assert(verb, state, maintain, agree, allow) |
| asseverate(verb, state, maintain, agree, allow) |
| aver(verb, state, maintain, agree, allow) |
| avouch(verb, state, maintain, agree, allow) |
| avow(verb, state, maintain, agree, allow) |
| confirm(verb, state, maintain, agree, allow) |
| cross heart(verb, expression, state, maintain, agree) |
| maintain(verb, state, agree, allow, declare) |
| predicate(verb, state, maintain, agree, allow) |
| profess(verb, state, maintain, agree, allow) |
| say so(verb, expression, state, maintain, agree) |
| state(verb, maintain, agree, allow, declare) |
| swear up and down(verb, expression, idiom, phrasal verb, state) |
| vouch(verb, state, maintain, agree, allow) |
| accede(verb, agree, declare, commit, undertake) |
| acknowledge(verb, state, allow, declare, admit) |
| act as if(verb, expression, idiom, acknowledge, admit) |
| admit(verb, state, allow, declare, acknowledge) |
| affiance(verb, agree, declare, commit, undertake) |