| undertake(verb, agree, declare, commit, affirm) |
| underwrite(verb, agree, declare, commit, undertake) |
| validate(verb, state, maintain, tell, reveal) |
| vindicate(verb, state, press, maintain, declare) |
| vouch(verb, state, maintain, declare, tell) |
| vow(verb, agree, declare, commit, undertake) |
| warrant(verb, state, show, press, maintain) |
| acquaint |
| adduce(verb, charge, maintain, declare, claim) |
| adjure(show, confirm, prove, appear, swear) |
| affiancing(verb, declare, affirm, promise, assure) |
| authenticate(show, confirm, prove, appear, swear) |
| bear out(expression, show, confirm, prove, appear) |
| bear witness(expression, show, confirm, prove, appear) |
| corroborate(show, confirm, prove, appear, swear) |
| countersign(show, confirm, prove, appear, swear) |
| depend on(verb, expression, promise, swear, covenant) |
| display(verb, state, show, confirm, indicate) |
| do |
| do the honors |