WordNet (r) 3.0 (2006):

warmongering
    n 1: a policy of advocating war [syn: warmongering, war
         advocacy]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "warmongering":
   aggression, aggressiveness, antagonism, bellicism, bellicosity,
   belligerence, belligerency, chauvinism, combativeness,
   contentiousness, ferocity, fierceness, fight, hostility, jingoism,
   martialism, militancy, militarism, pugnaciousness, pugnacity,
   quarrelsomeness, saber rattling, truculence, unfriendliness,
   unpeacefulness, warpath