| validating(verb, adjective, approving, checking, authorizing) |
| certifying(verb, adjective, approving, authorizing, evincing) |
| verifying(verb, adjective, checking, proving, ascertaining) |
| positive(adjective, supporting, assenting) |
| substantiating(verb, adjective, checking, evincing, proving) |
| establishing(verb, adjective, evincing, assuring, proving) |
| authenticating(verb, approving, checking, authorizing, evincing) |
| corroborative(adjective, positive, supporting, assenting) |
| supporting(verb, positive, evincing, assenting, substantiating) |
| approving(verb, positive, approving, supporting, authorizing) |
| confirmative(adjective, positive, supporting, assenting) |
| confirmatory(adjective, positive, supporting, assenting) |
| corroboratory |
| affirming(verb, positive, approving, supporting, authorizing) |
| ascertaining(verb, adjective, assuring, proving, ascertaining) |
| collateral |
| corroborating(verb, adjective, checking, evincing, proving) |
| proving(verb, checking, evincing, proving, ascertaining) |
| substantiative |
| validatory |