The word "most caveman" is not an actual term but can be interpreted as a negative connotation associated with primitive behavior. Antonyms for this term could be developed, cultured, refined, sophisticated, or civilized. These words describe a person who is enlightened, educated, and displays traits of sophistication and progressiveness. Someone who is refined has good manners, displays a tasteful sense of style, and is well-spoken, which is the opposite of someone with "most caveman" qualities. Being considered civilized involves having a well-rounded personality, displaying qualities such as sociability, civility, and intellect. In conclusion, antonyms of "most caveman" are positive attributes that describe a person's level of sophistication or civilization.