Synonyms for Suspensive (same or very similar meaning)
WordNet sense 1 ((of a situation) characterized by or causing suspense):
suspenseful, cliff-hanging, nail-bitingWordNet sense 2 (in or of a state of physical or nervous tension):
tenseWordNet sense 3 (characterized by lack of decision and firmness):
indecisiveFrom the ODE community, based on WordNetadd/edit