acknowledgment — the action of accepting or admitting the existence or truth of something

a smiling manager stands up and extends her hand toward a seated employee while holding a certificate. The employee rises from his chair with a surprised but pleased expression on his face. The manager nods approvingly as she formally presents the achievement award to him. The employee reaches out to accept the certificate with both hands in a respectful gesture. Other colleagues sitting around the conference table smile and clap their hands in celebration. Some lean forward to get a better view of the recognition ceremony. the action of accepting or admitting the existence or truth of someone's accomplishments