Final answer:
The statement is False. An appositive is a noun or noun phrase that provides additional information about another noun, not merely a synonym for it.
Step-by-step explanation:
The statement that an appositive is simply another word for something named elsewhere in the sentence is False. An appositive is a noun or noun phrase that sits next to another noun to rename it or to add explanatory or clarifying information to that noun. It's not just another word for the same thing; it provides additional detail or context. For instance, in the sentence 'The U.S.S. Constitution, a famous ship, sailed many missions,' 'a famous ship' is an appositive that gives more information about 'The U.S.S. Constitution'.
Furthermore, we use various punctuation, such as dashes and parentheses, to set off appositives from the rest of the sentence. Dashes are often used for emphasis or to clarify a point, especially when the appositive phrase contains commas. On the other hand, parentheses may suggest that the information is supplementary and not essential to the meaning of the sentence. An example of using a dash with an appositive is: 'My friend Lisa—an excellent baker—made the cake.'