The most common and most likely answer to this crossword clue is the 7 letter word ACHIEVE
I've seen this crossword clue in Financial Times
A
C
H
I
E
V
E
More clues leading to the result ACHIEVE
- Get king out of capital city in some discomfort
- Manage to get a letter from Athens in front of first lady
- Reach that is very limited by pain
- Piece of spinach I eventually produce
- I’ve struggled through pain to win
- Manage pain that is very piercing
- Without cases, pack this? Never manage
- Perform Bach and Prokofiev’s final trios with energy
- To some extent with a coach I eventually succeed
- Minerva regularly gripped by desire to succeed
Buddy explains!

The straight part
We know that "Perform" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case perform = achieve.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 ACHIEVE mean?
ACHIEVE 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).