The antonyms for the word "neologies" are traditional, classic, conventional, standard, and established. When something is described as traditional, it is often referring to ideas, customs, practices, or beliefs that have been passed down from generation to generation. Classic implies something that has long-lasting appeal or importance, often attributed to its enduring style, elegance, or refined quality. Similarly, conventional describes what is widely accepted or practiced in society, typically conforming to established norms, rules, or standards. Standard refers to something that is officially recognized as the norm or benchmark for comparison, typically based on objective criteria or specifications. Lastly, established suggests what is well-established or accepted within a particular field, organization, or community, often based on a long history of successful practice or recognized authority.