| supporting(verb, approval, proof, verification, endorsement) |
| confirming(verb, checking, evincing, proving, substantiating) |
| authenticating(verb, approval, proof, verification, endorsement) |
| verifying(verb, approval, proof, verification, endorsement) |
| affirming(verb, approval, proof, verification, endorsement) |
| attesting(verb, affirming, evincing) |
| certifying(verb, affirming, evincing) |
| validating(verb, adjective, approval, proof, verification) |
| establishing(verb, evincing, confirming) |
| proving(verb, approval, proof, verification, endorsement) |
| substantiating(verb, checking, evincing, proving, confirming) |
| accepting(verb, approval, proof, verification, endorsement) |
| acknowledging(verb, affirming) |
| averring(verb, affirming) |
| demonstrating(verb, evincing, confirming) |
| sustaining(verb, affirming) |
| vouching(noun, verb, evincing) |
| asserting(verb, affirming) |
| assuring(verb, affirming) |
| avouching(verb, affirming, evincing) |