"In that case ..." (2,2)
'in that case' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for if so that I've seen before include "Should that happen?" , "In that case ..." , "Assuming that's true" .)
'in that case' is the definition.
(I've seen this in another clue)
This is the entire clue.
'in that case' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for then that I've seen before include "soon?" , "Once upon a time" , "At that time; next" , "Consequently" , "Afterwards - as a result" .)