| safeguard(noun, verb, cover, care, confirm) |
| seal(noun, verb, secure, settle, back) |
| stipulation(noun, agreement, arrangement, deal, promise) |
| verify(verb, support, state, maintain, back) |
| warrantee(noun, security) |
| word of honor(noun, expression, idiom, support, agreement) |
| absolutely |
| assuredly |
| authenticate(verb, support, state, praise, settle) |
| bargain(noun, verb, order, accept, start) |
| certification(noun, agreement, permit, record, assurance) |
| defend(verb, support, show, praise, favor) |
| definitely |
| for sure |
| gage(noun, agreement, counter, assurance, promise) |
| indemnity(noun, cover, protection, security, surety) |
| reassure(verb, state, encourage, restore, confirm) |
| stand behind(verb, expression, phrasal verb, support, praise) |
| affirmation(noun, support, agreement, permit, record) |
| angel(verb, support, secure, back, approve) |