Sound of sheep initially dismissed after pastor finds fold (5)
I believe the answer is:
pleat
'fold' is the definition.
(pleating is a kind of folding)
'sound of sheep initially dismissed after pastor' is the wordplay.
'sound of sheep' becomes 'bleat' (I've seen this before).
'initially dismissed' means to remove the first letter (the initial is dismissed).
'after' means one lot of letters go next to another.
'pastor' becomes 'p' (abbreviation).
'bleat' with its first letter taken off is 'leat'.
'leat' after 'p' is 'PLEAT'.
'finds' is the link.
(Other definitions for pleat that I've seen before include "Gather" , "Crease" , "Tuck" , "Fold in material" , "Fold in a skirt" .)