The most common and most likely answer to this crossword clue is the 11 letter word PROPOUNDING
P
R
O
P
O
U
N
D
I
N
G
More clues leading to the result PROPOUNDING
Buddy explains!

The straight part
We know that "setting forth" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case setting forth = propounding.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 PROPOUNDING mean?
PROPOUNDING verb- To put forward; to offer for discussion or debate.