| swear an oath(expression, idiom, promise) |
| swear up and down(verb, expression, idiom, phrasal verb, state) |
| underwrite(verb, declare, approve, uphold, authorize) |
| accede(verb, declare, commit, undertake, affirm) |
| bargain(verb, agree, declare, contract, commit) |
| compact(noun, verb, declare, agreement, contract) |
| cross heart(verb, expression, state, maintain, declare) |
| give witness(verb, expression, declare, undertake, promise) |
| give word(verb, expression, engage, contract, promise) |
| give your word(verb, expression, idiom, promise, pledge) |
| hock(verb, declare, engage, contract, commit) |
| insure(verb, support, maintain, secure, declare) |
| live up to(verb, expression, idiom, declare, commit) |
| pass(verb, state, maintain, declare, tell) |
| pawn(noun, verb, declare, agreement, engage) |
| secure(verb, support, maintain, declare, approve) |
| sign for(verb, expression, support, maintain, secure) |
| swear on bible(expression, idiom, state, maintain, declare) |
| swear to God(verb, expression, idiom, declare, undertake) |
| assent(verb, declare, commit, undertake, affirm) |