Republican coming in sees games (6)
I believe the answer is:
sports
'games' is the definition.
(I've seen this before)
'republican coming in sees' is the wordplay.
'republican' becomes 'r' (abbreviation).
'coming in' is an insertion indicator.
'sees' becomes 'spots' (spot can mean to notice or see).
'r' placed inside 'spots' is 'SPORTS'.
(Other definitions for sports that I've seen before include "Wears; physical games" , "Wears, displays" , "plays" , "like a day at school" , "Outdoor games" .)