When talking about a "belt feature," there are a variety of synonyms that can be used to describe this type of accessory. Some commonly used terms include waistband, cinch, girdle, sash, band, strap, and harness. Each of these terms can be used to describe a different type of belt feature, such as a wide waistband that helps to define the waistline, a cinch-style belt that helps to hold clothing in place, or a harness-style belt that is used for functional purposes such as rock climbing or construction. Ultimately, the best synonym for a "belt feature" may depend on the specific context in which it is being used.