The most common and most likely answer to this crossword clue is the 8 letter word RESEATED
I've seen this crossword clue in The Daily Telegraph
R
E
S
E
A
T
E
D
Buddy explains!

The straight part
We know that "settled in a new place" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case settled in a new place = reseated.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 RESEATED mean?
RESEATED verb- To provide (e.g. a room) with more, or new, seats.
- To seat (someone) again, to give somebody a different seat.
- To sit down again.
- To plug (something) back into its socket.
- To fit (something, especially a valve) back into its place.