"Already accomplished!"

DONEIT

Think of a triumphant exclamation you might hear after completing a challenging task, often with a sense of finality—like a detective solving a case.

The clue "Already accomplished!" hints at a phrase meaning something is finished or completed. "Done it" fits perfectly, but in crossword style, it’s often written as a single word—so "DONEIT" is the answer. The exclamation mark in the clue suggests enthusiasm, reinforcing the idea of a task being triumphantly completed. Think of it like checking off a to-do list with a satisfied "I’ve done it!"