Be round in time for discussion (6)
I believe the answer is:
debate
'for discussion' is the definition.
(debate is a kind of discussion)
'be round in time' is the wordplay.
'round' is an anagram indicator.
'in' is an insertion indicator.
'time' becomes 'date' (date is a kind of time).
'be' anagrammed gives 'eb'.
'eb' placed within 'date' is 'DEBATE'.
(Other definitions for debate that I've seen before include "Verbal disputation" , "Ponder" , "Public discussion, perhaps a contest" , "Exchange of views" , "Discuss with opposing arguments" .)