God -- a church answer for something that makes everything better (7)
I believe the answer is:
panacea
'something that makes everything better' is the definition.
(mythical cure for all ills)
'god a church answer' is the wordplay.
'god' becomes 'pan' (Pan is an example).
'church' becomes 'CE' (abbreviation for Church of England).
'answer' becomes 'a' (abbreviation eg in Q and A).
'pan'+'a'+'ce'+'a'='PANACEA'
'for' is the link.
(Other definitions for panacea that I've seen before include "A cure-all for diseases or troubles" , "wonder drug" , "Nostrum" , "Hypothetical universal remedy" , "Solution to all difficulties" .)