The most common and most likely answer to this crossword clue is the 8 letter word ADVOWSON
I've seen this crossword clue in Financial Times
A
D
V
O
W
S
O
N
More clues leading to the result ADVOWSON
Buddy explains!

The straight part
We know that "right" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case right = advowson.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 ADVOWSON mean?
ADVOWSON noun- (ecclesiastical law) The right to present a nominee to a vacant ecclesiastical benefice or church office.