Possibly I made the press (5)
I believe the answer is:
media
'the press' is the definition.
(the press is part of the media)
'possibly i made' is the wordplay.
'possibly' is an anagram indicator.
'i'+'made'='imade'
'imade' is an anagram of 'MEDIA'.
(Other definitions for media that I've seen before include "journalists' outlets" , "Newspapers, TV, radio etc" , "Mass communicators" , "Reporters" , "Channels of mass communication" .)