| promise(noun, verb, support, give, agree) |
| pledge(noun, verb, support, give, pass) |
| oath(noun, support, agreement, contract, assurance) |
| swear(noun, verb, hold, press, maintain) |
| guarantee(noun, verb, support, maintain, pass) |
| word(noun, support, agreement, contract, assurance) |
| covenant(noun, verb, pass, agree, declare) |
| assurance(noun, agreement, contract, statement, undertaking) |
| assure(verb, support, maintain, agree, back) |
| plight(noun, verb, agree, declare, agreement) |
| warrant(noun, verb, support, maintain, agree) |
| declare(verb, support, maintain, back, approve) |
| affirm(verb, support, maintain, back, declare) |
| vouch(verb, support, give, pass, declare) |
| assert(verb, support, hold, press, maintain) |
| undertake(verb, agree, declare, approve, uphold) |
| asseverate(verb, support, hold, press, maintain) |
| guaranty(noun, verb, agreement, approve, uphold) |
| warranty(noun, support, agreement, contract, assurance) |
| avow(verb, support, maintain, back, declare) |