The most common and most likely answer to this crossword clue is the 9 letter word NOSTALGIC
N
O
S
T
A
L
G
I
C
More clues leading to the result NOSTALGIC
- Sadly remembering losing cat in accident
- Homesick cast and I long to have parts elsewhere!
- Doctor clings to a longing for the past
- Locating back from places exotic, being this?
- Looking back at closing moves
- Boy used up scented stuff around girl, getting half-cut and sentimental
- Boy standing over soldier covered in powder, sentimental
- Fondly recalling long vacations abroad, leaving Avon relaxed
- Sentimental bit of guff inserted in curtailed codicil at son’s homecoming
- Looking back, losing act upsets
Buddy explains!

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 NOSTALGIC mean?
NOSTALGIC noun- A person who displays nostalgia for something.
- Of, having, or relating to nostalgia.
- Reminiscent of the speaker's childhood or younger years.