Good-natured friendliness (8)
I believe the answer is:
bonhomie
'good-natured friendliness' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for bonhomie that I've seen before include "'Easy good nature, cheerful friendliness (8)'" , "Inventory" , "Good-natured friendliness" , "'Affability, geniality (8)'" , "genial nature" .)