The most common and most likely answer to this crossword clue is the 9 letter word RETHOUGHT
I've seen this crossword clue in The Sunday Telegraph
R
E
T
H
O
U
G
H
T
More clues leading to the result RETHOUGHT
Buddy explains!

The straight part
We know that "made another assessment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case made another assessment = rethought.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 RETHOUGHT mean?
RETHOUGHT verb- To think again about a problem.