| demonstrating(verb, evincing, confirming, ascertaining) |
| confirming(noun, verb, checking, evincing, ascertaining) |
| verifying(noun, verb, approval, proof, verification) |
| establishing(verb, evincing, confirming, ascertaining) |
| testing(noun, verb, adjective, meet, challenge) |
| confirmation(noun, proof, verification, trying, endorsement) |
| corroborating(noun, verb, approval, proof, verification) |
| determining(verb, evincing, ascertaining, experimenting) |
| proof(approval, examination, analysis, verification, endorsement) |
| substantiating(noun, verb, checking, evincing, confirming) |
| trying(verb, experimenting) |
| validating(noun, verb, adjective, approval, proof) |
| affirmation(noun, proof, verification, endorsement, authentication) |
| attestation(noun, proof, verification, endorsement, authentication) |
| authenticating(noun, verb, adjective, approval, proof) |
| certification |
| certifying(verb, evincing, ascertaining) |
| checking(noun, verb, ascertaining, experimenting) |
| contest(noun, competition) |
| evidence(approval, proof, verification, endorsement, validation) |