Put the point next (4)
I believe the answer is:
then
'next' is the definition.
(both can mean subsequently)
'put the point' is the wordplay.
'put' becomes 'the' (I've seen this in other clues).
'the point' becomes 'n' (N is an example).
'the'+'n'='THEN'
(Other definitions for then that I've seen before include "Once upon a time" , "Consequently" , "At that time; next" , "Subsequently - previously" , "Afterwards - as a result" .)