1. An accomplishment or achievement that has been demonstrated, verified, or established as true through evidence or successful completion
Landing on the moon was a proven feat of human engineering.
Pousar na lua foi uma façanha comprovada da engenharia humana.
2. A remarkable or difficult action that has been successfully completed and verified
His survival in the wilderness was a proven feat of endurance.
Sua sobrevivência na selva foi uma façanha comprovada de resistência.