| contract(verb, agree, declare, engage, commit) |
| covenant(verb, agree, declare, engage, contract) |
| cross heart(verb, expression, agree, declare, commit) |
| declare(verb, commit, undertake, affirm, assure) |
| engage(verb, agree, declare, contract, commit) |
| ensure(verb, agree, declare, commit, undertake) |
| espouse(verb, agree, declare, commit, undertake) |
| guarantee(verb, agree, declare, commit, undertake) |
| insure(verb, agree, declare, commit, undertake) |
| live up to(verb, expression, idiom, agree, declare) |
| obligate(verb, agree, declare, commit, undertake) |
| pass(verb, agree, declare, commit, undertake) |
| plight(verb, agree, declare, engage, contract) |
| profess(verb, declare, commit, undertake, affirm) |
| say so(verb, expression, agree, declare, commit) |
| secure(verb, agree, declare, commit, undertake) |
| stipulate(verb, agree, declare, commit, undertake) |
| string along(verb, expression, agree, declare, commit) |
| subscribe(verb, agree, declare, commit, undertake) |
| swear(verb, declare, engage, contract, commit) |