Charm of French entertaining (7)
I believe the answer is:
delight
'charm' is the definition.
(thesaurus)
'of french entertaining' is the wordplay.
'of french' becomes 'de'.
'entertaining' becomes 'light' ('light' can be similar in meaning to 'entertaining').
'de'+'light'='DELIGHT'
(Other definitions for delight that I've seen before include "Greensleeves was mine" , "Rejoice" , "Transport - please" , "Pleasure (possibly Turkish?)" , "Jubilation" .)