| confirm(verb, state, maintain, agree, allow) |
| profess(verb, state, maintain, agree, allow) |
| say so(verb, expression, state, maintain, agree) |
| swear on bible(verb, expression, idiom, state, maintain) |
| swear up and down(verb, expression, idiom, phrasal verb, state) |
| vouch(verb, state, maintain, agree, allow) |
| accede(verb, agree, declare, commit, undertake) |
| affiance(verb, agree, declare, commit, undertake) |
| affirm(verb, state, agree, allow, declare) |
| answer for(verb, expression, phrasal verb, agree, declare) |
| assent(verb, agree, declare, commit, undertake) |
| asservate(verb, agree, declare, commit, undertake) |
| assure(verb, agree, declare, commit, undertake) |
| bargain(verb, agree, declare, commit, undertake) |
| betroth(verb, agree, declare, commit, undertake) |
| bind(verb, agree, declare, commit, undertake) |
| commit(verb, agree, declare, undertake, affirm) |
| compact(verb, agree, declare, commit, undertake) |
| consent(verb, agree, declare, commit, undertake) |
| contract(verb, agree, declare, commit, undertake) |