When it comes to describing "popular tastes," there are a variety of synonyms to choose from. One option is "mainstream preferences," which refers to the most widely shared opinions or beliefs. "Mass appeal" is another synonym, indicating a wide acceptance or popularity among the general public. "Conventional likes" suggests a preference for traditional or accepted ideas or trends. "Favored choices" connotes a selection that is well-liked or admired by many. "Trendy tastes" implies an affinity for current, fashionable styles. Finally, "crowd-pleasing preferences" refers to selections that are likely to please a large audience or group. All of these synonyms capture the essence of what it means to have "popular tastes".