Repairing the car by himself gave him a real 'sense of achievement'. [=a proud feeling of having done something difficult and worthwhile]
The students were awarded (with) certificates of 'achievement'. [=documents saying that they reached an academic goal]
Tests measure students' academic 'achievement'. [=measure how much the students have learned]
(..) under orders from the Lord Commander. RANDYLL: You ought to be a Maester. Spending your life reading about the achievements of better men. SAM: It's a map of Dragonstone. GILLY: That's dragonglass. A mountain of it, beneath the ground. (..)2017 TvShow: Game of Thrones Title: Stormborn Season: 7 Episode 2