| truth |
| verity |
| insure(verb, cover, secure, agree, back) |
| contract(noun, verb, order, accept, start) |
| secure(verb, give, cover, agree, back) |
| evidence(noun, verb, agreement, arrangement, record) |
| covenant(noun, verb, order, accept, start) |
| understanding(noun, agreement, arrangement, deal, promise) |
| vouch(verb, support, state, give, maintain) |
| word(noun, support, agreement, permit, contract) |
| attest(verb, support, state, maintain, praise) |
| vouch for(verb, expression, phrasal verb, support, help) |
| cinch(noun, verb, phrasal verb, state, cover) |
| insurance(noun, support, agreement, contract, assurance) |
| undertake(verb, accept, start, agree, catch) |
| affirm(verb, support, state, maintain, praise) |
| confirm(verb, support, state, maintain, praise) |
| oath(noun, support, agreement, contract, assurance) |
| proof(noun, agreement, arrangement, record, deal) |
| swear(verb, state, maintain, declare, agreement) |