The most common and most likely answer to this crossword clue is the 10 letter word HEIGHTENED
I've seen this crossword clue in The Guardian
H
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More clues leading to the result HEIGHTENED
Buddy explains!

The straight part
We know that "Raised" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case raised = heightened.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 HEIGHTENED mean?
HEIGHTENED verb- To make high; to raise higher; to elevate.
- To advance, increase, augment, make larger, more intense, stronger etc.
- Increased in intensity or concentration; elevated, stepped-up