"Agas" is a word that has limited synonyms due to its rare usage and specific meaning. However, it can be substituted with similar words such as "master," "chief," "leader," or "boss." These synonyms are often used in the context of a prominent or influential figure, particularly in the field of business, education, or politics. Another synonym for "agas" is "sir" or "madam," which are formal titles of respect used to address a person in authority. In essence, synonyms for "agas" are words that connote respect, authority, and power, and are used to describe individuals who hold significant control or influence in a particular domain.