The most common and most likely answer to this crossword clue is the 9 letter word ROMANTICS
I've seen this crossword clue in The Guardian
R
O
M
A
N
T
I
C
S
Buddy explains!

The straight part
We know that "such as Coleridge" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case such as coleridge = romantics.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 ROMANTICS mean?
ROMANTICS noun- A person with romantic character (a character like those of the knights in a mythic romance).
- A person who is behaving romantically (in a manner befitting someone who feels an idealized form of love).