The word "nunciate" means to announce or proclaim something officially. There are several synonyms that can be used to convey the same meaning, such as declare, state, assert, proclaim, announce, and pronounce. These words all imply making a formal statement or announcement, often with a sense of authority or urgency. Other synonyms that may be used in different contexts include publicize, trumpet, advertize, and broadcast. Depending on the specific context and tone of the statement, different synonyms may be more appropriate. However, all of these words share the common theme of making an official declaration or announcement.