Synonyms for Indicative (same or very similar meaning)
WordNet sense 1 (a mood (grammatically unmarked) that represents the act or state as an objective fact):
declarative, indicative mood, common mood, declarative mood, fact moodWordNet sense 2 ((usually followed by `of') pointing out or revealing clearly):
suggestive, revelatory, indicatory, significativeWordNet sense 3 (showing or making known):
revealingFrom the ODE community, based on WordNetadd/edit