Point behind article regarding appetiser (9)
I believe the answer is:
antipasto
'appetiser' is the definition.
(I've seen this before)
'point behind article regarding' is the wordplay.
'point' becomes 'tip' (synonyms).
'behind' is a charade indicator (letters next to each other).
'article' becomes 'an' (indefinite article).
'regarding' becomes 'as to' (as to that topic...).
'tip' after 'an' is 'antip'.
'antip'+'asto'='ANTIPASTO'
(Other definitions for antipasto that I've seen before include "first course" , "Appetiser, starter" , "course of hors d'oeuvres" , "Starter course in an Italian meal" , "Italian dish" .)