The most common and most likely answer to this crossword clue is the 6 letter word EXPERT
I've seen this crossword clue in Financial Times
E
X
P
E
R
T
More clues leading to the result EXPERT
- Wife that was cheeky and clever
- Crack from strain having absorbed pressure
- Used to be cheeky with master
- Direct from cheeky specialist
- 13 cheeky authority
- Apply to seize power from master
- Specialist used to be cheeky
- Try hard to keep parking space for boffin
- Next centre forward is a skilled performer
- Reckon missing Conservative will be replaced by Republican authority
Buddy explains!

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 EXPERT mean?
EXPERT noun- A person with extensive knowledge or ability in a given subject.
- A player ranking just below master.
- Extraordinarily capable or knowledgeable.
- Characteristic of an expert.