The most common and most likely answer to this crossword clue is the 8 letter word ACHIEVED
I've seen this crossword clue in The Daily Telegraph
A
C
H
I
E
V
E
D
More clues leading to the result ACHIEVED
- Advice he disseminated got intended result
- Carried off, I’ve terrible piercing pain before introduction of drugs
- Accomplished lady, the first to be grabbed by a child left abandoned
- Carried off hurt, I’ve unfortunately to be admitted
- Accomplished Greek character with first woman in trailer
- Bad advice he obtained
Buddy explains!

The straight part
We know that "Accomplished" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case accomplished = achieved.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ACHIEVED mean?
ACHIEVED verb- To succeed in something, now especially in academic performance.
- To carry out successfully; to accomplish.
- To conclude, finish, especially successfully.
- To obtain, or gain (a desired result, objective etc.), as the result of exertion; to succeed in gaining; to win.
- To conclude, to turn out.
- To obtain (a material thing).
- (of a goal or status) Having been reached, attained or accomplished.