The most common and most likely answer to this crossword clue is the 5 letter word RISEN
I've seen this crossword clue in Financial Times
R
I
S
E
N
More clues leading to the result RISEN
- Grown son wearing nothing from Dior?
- A piece from Salieri sent up
- No-good singer messed up
- Increased amount of liquor is enjoyed
- English lesson’s ending after teacher turned up
- Right before one nurse gets you up
- Turning in one’s irritation increased
- Moved up once reins loosened
- How bread’s gone up!
- Ascended a small hill to the north
Buddy explains!

The straight part
We know that "up" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case up = risen.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 RISEN mean?
RISEN verb- To move, or appear to move, physically upwards relative to the ground.
- To increase in value or standing.
- To begin; to develop.
- To go up; to ascend; to climb.
- To cause to go up or ascend.
- To retire; to give up a siege.
- To come; to offer itself.
- To be lifted, or capable of being lifted, from the imposing stone without dropping any of the type; said of a form.