The most common and most likely answer to this crossword clue is the 8 letter word ACCUSTOM
A
C
C
U
S
T
O
M
More clues leading to the result ACCUSTOM
- Adapt charge reduced by Persian, say
- Get used cents in gold: most unusual
- Get used to a convention in conversation
- Get used to much cost, a new hospital unnecessary
- Get used to Bill meeting a client without hesitation
- Adapt to current business
- Condition agitated mouse, scratching tail close to domestic cat
- Get used to current trade
- Get used to bill coming before trade
- Sounds like a habit to get used to
Buddy explains!

The straight part
We know that "Condition" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case condition = accustom.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.