The term "normal feature" is often used to describe something that is typical or commonplace. However, there are numerous synonyms that can be used depending on the context. For instance, "commonplace" or "ordinary" can be used to describe something that is usual or expected. "Standard" or "conventional" can refer to a widely accepted way of doing things. "Regular" or "routine" can indicate something that occurs consistently or predictably. "Natural" or "inherent" can describe something that is innate or intrinsic to a particular situation. Ultimately, the choice of synonym will depend on the intended meaning and context of the phrase.