In that case, get to the point (4)
I believe the answer is:
then
'in that case' is the definition.
('then' can be a synonym of 'in that case')
'get to the point' is the wordplay.
'get' says to put letters next to each other.
'point' becomes 'n' (N is an example**).
'the' next to 'n' is 'THEN'.
(Other definitions for then that I've seen before include "Afterwards - as a result" , "Once upon a time" , "At that time; next" , "Subsequently - previously" , "Consequently" .)