Politick

adjective

1. Of or relating to polity, or civil government; political.

   "the body politic"

2. (of things) Relating to, or promoting, a policy, especially a national policy; well-devised; adapted to its end, whether right or wrong.

   "a politic treaty"

3. Sagacious in promoting a policy; ingenious in devising and advancing a system of management; devoted to a scheme or system rather than to a principle; hence, in a good sense, wise; prudent; sagacious
4. Shrewd, prudent and expedient.
5. Discreet and diplomatic.