Conflict in publicity for Oscar, Tony, etc (6)
I believe the answer is:
awards
'oscar tony etc' is the definition.
(the Oscars and Tonys are entertainment awards)
'conflict in publicity' is the wordplay.
'conflict' becomes 'war' (war is a kind of conflict).
'in' is an insertion indicator.
'publicity' becomes 'ads' (advert).
'war' put within 'ads' is 'AWARDS'.
'for' acts as a link.
(Other definitions for awards that I've seen before include "Gives officially as prizes or penalties" , "Prizes or honours" , "Official prizes or payments" , "Grants" , "Confers upon, gives prize" .)