Accommodating different name on source of barley in beer (8)
I believe the answer is:
amenable
'accommodating' is the definition.
(I've seen this before)
'different name on source of barley in beer' is the wordplay.
'different' indicates anagramming the letters.
'on' means one lot of letters go next to another.
'source of' says to take the initial letters.
'in' is an insertion indicator.
'beer' becomes 'ale' (I've seen this before).
The first letter of 'barley' is 'b'.
'name'+'b'='nameb'
'nameb' anagrammed gives 'menab'.
'menab' going within 'ale' is 'AMENABLE'.
(Other definitions for amenable that I've seen before include "Friendly" , "Willing to be guided or controlled" , "Ready to accept" , "Helpful" , "Agreeable and accommodating" .)