Something to talk about (5)
I believe the answer is:
topic
'something to talk about' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for topic that I've seen before include "Question" , "Matter for an argument" , "Subject (eg, of text)" , "Subject (of a talk, etc)" , "Subject (of, eg, speech)" .)