The most common and most likely answer to this crossword clue is the 6 letter word UPWARD
I've seen this crossword clue in The Sunday Telegraph
U
P
W
A
R
D
More clues leading to the result UPWARD
Buddy explains!
The straight part
We know that "Rising" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case rising = upward.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 UPWARD mean?
UPWARD noun- The upper part; the top.
- Directed toward a higher place.
- In a direction from lower to higher; toward a higher place; in a course toward the source or origin
- In the upper parts; above.
- Yet more; indefinitely more; above; over.