The most common and most likely answer to this crossword clue is the 9 letter word QUALITIES
I've seen this crossword clue in The Guardian
Q
U
A
L
I
T
I
E
S
Buddy explains!

The straight part
We know that "attributes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case attributes = qualities.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 QUALITIES mean?
QUALITIES noun- Level of excellence.
- A property or an attribute that differentiates a thing or person.
- High social position. (See also the quality.)
- The degree to which a man-made object or system is free from bugs and flaws, as opposed to scope of functions or quantity of items.
- In a two-phase liquid–vapor mixture, the ratio of the mass of vapor present to the total mass of the mixture.
- The third step in OPQRST where the responder investigates what the NOI/MOI feels like.
- A newspaper with relatively serious, high-quality content.