Fr. is an abbreviation that is often used as an abbreviation for "French." But there are several other synonyms that can be used instead of "Fr." to refer to France or the French language. Some synonyms for Fr. include Gallic, Gaulish, Francophone, and French-speaking. These words are useful to know when writing about France or the French language. It's important to choose the right synonym depending on the context. For example, "Francophone" might be more appropriate when talking about French speakers around the world, while "Gaulish" is an older term that can be used to refer to pre-Roman France.