noun

1. The act of achieving or performing; a successful performance; accomplishment

2. A great or heroic deed or feat; something accomplished by valor or boldness

3. An escutcheon or ensign armorial; now generally applied to the funeral shield commonly called hatchment.

4. 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."

5. (grammar) The lexical aspect (aktionsart) of verbs or predicates that change in an instant.