Doesn't eat around eastern banquets (6)
I believe the answer is:
feasts
'banquets' is the definition.
('feast' can be a synonym of 'banquet')
'doesn't eat around eastern' is the wordplay.
'doesn't eat' becomes 'fasts' (I've seen this in another clue).
'around' is an insertion indicator.
'eastern' becomes 'e'.
'fasts' going around 'e' is 'FEASTS'.
(Other definitions for feasts that I've seen before include "Sumptuous meals" , "'Ceremonial, elaborate meals (6)'" , "eats well" , "Banquets and major meals" , "Large rich meals" .)