Which term is synonymous with "traditional" or "mundane"?

The term that is synonymous with "traditional" or "mundane" is "conventional." This word refers to ideas, practices, or norms that are widely accepted and commonly followed. When something is described as conventional, it suggests that it adheres to established standards or traditional ways of doing things. This is in line with the character of "traditional," which indicates a reliance on established customs or historical practices. "Mundane" often entails a sense of being ordinary or lacking excitement, which aligns with the predictable and commonplace nature of conventional approaches.

In contrast, the other terms represent ideas that are divergent from the norm. "Unconventional" suggests originality or a break from tradition, "innovative" refers to new and creative ideas, and "radical" indicates fundamental changes that can vary significantly from established norms. These terms highlight departures from traditional views or practices, setting them apart from the notion of being conventional.