The most common and most likely answer to this crossword clue is the 12 letter word SUPERSTITION
S
U
P
E
R
S
T
I
T
I
O
N
More clues leading to the result SUPERSTITION
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 SUPERSTITION mean?
SUPERSTITION noun- A belief or beliefs, not based on human reason or scientific knowledge, that events may be influenced by one's behaviour in some magical or mystical way.
- Excessive nicety; overscrupulousness.