The word "de-based" refers to the act of lowering something in value or quality. Antonyms for this term might include words such as "upgraded," "elevated," "enhanced," or "improved." These words can be used to describe the process of increasing the value of something or making it better in some way. For example, a company might upgrade its manufacturing process to produce higher quality products, or an individual might elevate their skills through education and training. Using these positive, uplifting words can help to convey a sense of progress, growth, and improvement that are the opposite of the negativity associated with being de-based.