Synonyms for Declarative (same or very similar meaning)
WordNet sense 1 (a mood (grammatically unmarked) that represents the act or state as an objective fact):
indicative, indicative mood, common mood, declarative mood, fact moodWordNet sense 2 (relating to the use of or having the nature of a declaration):
declaratory, assertingFrom the ODE community, based on WordNetadd/edit