confirmatory

/kənˈfɜrməˌtɔri/
adjective
  1. Serving to confirm or verify something; providing proof or support.
    • The company conducted a confirmatory test to ensure the product was safe.
    • The email served as a confirmatory message that the order had been received.
    • A confirmatory study was needed to validate the earlier findings.
What does "confirmatory" mean? | whatsthatwordmean | whatsthatwordmean