The phrase "filtered through" is often used to describe a process in which something is carefully selected or refined. Synonyms for this phrase include "sifted," "screened," "sorted," "analyzed," "processed," and "purified." Each of these words emphasizes a slightly different aspect of the idea of refining or selecting something. For example, "sifted" implies a careful sorting and elimination process, whereas "purified" suggests removing impurities or unwanted elements. Other synonyms might include "refined," "edited," "distilled," and "clarified." Depending on the context, different synonyms may be more appropriate than others, so it's important to consider the nuances of meaning when choosing the best word for a particular situation.