Declarator is a noun that refers to someone who makes a formal or official statement about something. There are several synonyms for declarator, including announcer, spokesperson, representative, presenter, and speaker. These words can be used interchangeably to describe someone who communicates a message or information to an audience. Another synonym for declarator is declarer, which is often used in card games to refer to the player who declares which suit will be trump. In legal contexts, declarant is often used to describe someone who makes a statement or presents evidence. In essence, all of these words can be used to describe someone who declares or communicates information in some way.