Statesman (7)
'statesman' is the definition.
(type of politician)
This is all the clue.
(Other definitions for senator that I've seen before include "Roman politician" , "Treason by member of parliament" , "US/Roman politician" , "Member of the Second House" , "Member of upper US assembly" .)
'statesman?' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for american that I've seen before include "US citizen seen in camera" , "US citizen in Cinerama (8)" , "statesman" , "Nationality of Yankee Doodle Dandy" , "inhabitant of 10?" .)