Demeanor is a word that describes a person's behavior, attitude, or mannerisms. Synonyms for demeanor include attitude, behavior, conduct, bearing, disposition, presence, and manner. Attitude refers to a person's overall outlook or opinion on something, while behavior describes one's actions or conduct. Conduct can be used to describe a particular instance of behavior or actions. Bearing refers to a person's physical or emotional presence, while disposition relates to their natural state of mind and tendency towards certain behaviors. Presence describes the impact someone has on others, and manner refers to a person's overall way of behaving or carrying themselves.