The most common and most likely answer to this crossword clue is the 12 letter word EYE-CATCHING
I've seen this crossword clue in The Times
E
Y
E
-
C
A
T
C
H
I
N
G
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 EYE-CATCHING mean?
EYE-CATCHING adjective- Visually attractive
- That attracts the attention; attention-grabbing