Fasc is a term that can have many meanings, depending on the context. In chemistry, it can refer to a combination of molecules. In medicine, it can refer to the narrowing of a blood vessel or organ. In politics, it can be short for fascism, a far-right ideology characterized by authoritarianism and nationalism. Synonyms for this term can vary based on the specific definition. For example, synonyms for a fasc in chemistry could include a chelate or a coordination compound. For political use, synonyms could include far-right, nationalist, or authoritarian. It's important to consider the context and definition before choosing the appropriate synonym.