When it comes to making a wise, astute decision, there are a variety of synonyms that can be used to describe it. Some words that can be used as synonyms for the phrase "shrewd choice" include "smart choice," "wise decision," "prudent selection," "savvy move," and "intelligent option." Each of these words carries slightly different connotations or shades of meaning, but all can be used to convey the idea of making a careful, thoughtful choice that has been well-considered and strategically planned. Whether choosing a career path, making a home purchase, or selecting a mate, it's important to make a shrewd choice that takes into account all factors and possible outcomes.