What is the adjective of achieve?

There isn't a single, commonly used adjective directly derived from "achieve." However, there are several words that capture similar meanings:

Related adjectives:

* Achievable: Capable of being achieved.

* Achieved: Successfully accomplished.

* Successful: Having a positive outcome.

* Triumphant: Victorious or successful.

* Notable: Worthy of attention or notice (often used to describe achievements).

* Meritorious: Deserving praise or recognition.

The best choice will depend on the specific context you're using it in.