The most common and most likely answer to this crossword clue is the 13 letter word PRONOUNCEMENT
P
R
O
N
O
U
N
C
E
M
E
N
T
More clues leading to the result PRONOUNCEMENT
- Perhaps he gets stick for assertion
- He or she, perhaps, has to consolidate declaration
- Utterance from me, perhaps a setter?
- Edict that binds you and me?
- Declaration in part of speech, something that's binding?
- Possibly he gets stick for this declaration?
- Part of speech with which to make firm declaration
- Could be he is to make firm statement
- Statement church intended for broadcast by me, for example
- In grammar he, for example, needs to make firm declaration
Buddy explains!

The straight part
We know that "declaration" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case declaration = pronouncement.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 PRONOUNCEMENT mean?
PRONOUNCEMENT noun- An official public announcement.
- An utterance.