The most common and most likely answer to this crossword clue is the 10 letter word INTERESTED
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result INTERESTED
- Curious trend, see it developing
- Partisan, popular, challenged about religious education
- Keen for dentist to be prepared before going in
- Concerned before being taken by bad dentist
- Concerned current setter’s upset by editor
- Engrossed in heartless article, then relaxed
- Incredibly, direst teen is enthusiastic
- Partisan in street bashed journalist
- Curious batting by team's opening pair, relaxed
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 INTERESTED mean?
INTERESTED verb- To engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing.
- To be concerned with or engaged in; to affect; to concern; to excite.
- To cause or permit to share.
- Having or showing interest.
- Motivated by considerations of self-interest; self-serving.
- Owning a share of a company.