Some possible synonyms for "reddish brown turkey" might include "chestnut-hued fowl," "auburn-tinged gobbler," or "russet-colored bird." Other options might include "mahogany turkey," "cinnamon-hued roast," or simply "brown turkey." Additionally, some people might opt for more descriptive or creative terms, such as "copper-coated culinary centerpiece," "burnt sienna bird," or "saffron-tinted Thanksgiving entree." Ultimately, the choice of synonym will depend on the writer's intended tone and style, as well as the specific context in which the term appears.