The most common and most likely answer to this crossword clue is the 9 letter word FEATURING
I've seen this crossword clue in The Times
F
E
A
T
U
R
I
N
G
Buddy explains!
The straight part
We know that "With" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case with = featuring.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 FEATURING mean?
FEATURING verb- To ascribe the greatest importance to something within a certain context.
- To star, to contain.
- To appear, to make an appearance.
- To have features resembling.