Setter climbs church next to green high-rise (9)
I believe the answer is:
emergence
'rise' is the definition.
(I've seen this before)
'setter climbs church next to green high' is the wordplay.
'setter' becomes 'me' (the setter of the clue).
'climbs' says the letters should be written backwards.
'church' becomes 'ce' (Church of England).
'next to' means one lot of letters go next to another.
'high' indicates an anagram (like drunk).
'me' reversed gives 'em'.
'green' anagrammed gives 'ergen'.
'ce' after 'ergen' is 'ergence'.
'em'+'ergence'='EMERGENCE'
(Other definitions for emergence that I've seen before include "First appearance" , "A coming forth" , "Development" , "Sudden appearance" , "rise" .)