Famous for shrewdness can be described in many different ways, depending on the context and the situation. Some synonyms for this phrase might include "astute" or "sagacious," both of which suggest an ability to navigate complex situations with intelligence and savvy. Other options might include words like "clever," "crafty," or "wily," which all carry connotations of cunning and guile. Ultimately, the best synonym for famous for shrewdness will depend on the specific situation and the characteristics of the person or entity being described - whether they are an individual, a company, or an entire culture.