There are several synonyms that can be used instead of "flute player." One of the most common synonyms is "flautist," which is used to refer to a musician who plays the flute. Another synonym is "fluteist," which is also used to refer to someone who plays the flute. "Flute player" can also be replaced with the term "flute musician." Other synonyms include "woodwind player" and "wind instrument musician," which are more general terms that encompass all types of wind instruments, including flutes. Ultimately, the choice of synonym depends on the context in which it is being used and personal preference.