WordNet (r) 3.0 (2006):

foreign policy
    n 1: a policy governing international relations

Moby Thesaurus II by Grady Ward, 1.0:

41 Moby Thesaurus words for "foreign policy":
   Eisenhower Doctrine, Monroe Doctrine, Nixon Doctrine,
   Truman Doctrine, appeasement, balance of power, brinkmanship,
   coexistence, colonialism, compromise, containment, detente,
   deterrence, diplomacy, diplomatic, diplomatics, dollar diplomacy,
   dollar imperialism, expansionism, foreign affairs,
   good-neighbor policy, imperialism, internationalism, isolationism,
   manifest destiny, militarism, nationalism, neocolonialism,
   neutralism, nonresistance, open door, open-door policy,
   peace offensive, peaceful coexistence, preparedness,
   shirt-sleeve diplomacy, shuttle diplomacy, spheres of influence,
   the big stick, tough policy, world politics