The most common and most likely answer to this crossword clue is the 9 letter word INTRIGUED
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result INTRIGUED
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 INTRIGUED mean?
INTRIGUED verb- To conceive or carry out a secret plan intended to harm; to form a plot or scheme.
- To arouse the interest of; to fascinate.
- To have clandestine or illicit intercourse.
- To fill with artifice and duplicity; to complicate.