re·al·po·li·tik 
(rā-älpō′lĭ-tēk′)
(rā-älpō′lĭ-tēk′)n.
A usually expansionist national policy having as its sole principle advancement of the national interest.
[German : real, practical (from Late Latin reālis, real; see REAL1) + Politik, politics (from French politique, political, policy; see POLITIC).]
re·alpo′li·tik′er n.