Like Pat’s deliveries after all? Not entirely (6)
I believe the answer is:
postal
'like pat's deliveries' is the definition.
(as in children's character Postman Pat)
'after all? not entirely' is the wordplay.
'after' becomes 'post' (prefix meaning after, eg post-war).
'not entirely' means to remove the last letter.
'all' with its last letter taken away is 'al'.
'post'+'al'='POSTAL'
(Other definitions for postal that I've seen before include "to go so mad in America" , "Relating to mail delivery" , "Sort of vote" , "Type of order" , "To Alps (anag.)" .)