World-wise is a term used to describe someone who is knowledgeable about the world and its ways, particularly in matters of culture, politics, and society. There are several synonyms for this term, including cosmopolitan, worldly, sophisticated, worldly-wise, experienced, and savvy. Cosmopolitan suggests an understanding of various cultures, while sophisticated implies a refined understanding of cultural and social norms. Worldly-wise and experienced both emphasize a person's learned knowledge and wisdom gained from experience, while savvy describes a shrewdness and practical knowledge in navigating the world. Whatever the term used, these synonyms describe a person who is well-informed and knowledgeable about the world around them.