- A great or heroic deed or feat; something accomplished by valor or boldness
- The act of achieving or performing; a successful performance; accomplishment
- (video games) An award for completing a particular task or meeting an objective in a video game.
"Finishing the game does not give you a 100% score until you have unlocked all of the achievements."
- (heraldry) An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.