Demeanour is a term that describes a person's outward behavior or demeanor. It can refer to someone's overall attitude, bearing, or conduct. However, there are several synonyms for demeanour that capture slightly different nuances of this concept. For instance, "mannerism" refers to a distinctive habitual feature of someone's demeanor, while "temperament" relates more to a person's emotional makeup and tendencies. "Disposition" also refers to a person's natural outlook or inclination, while "bearing" is a more general term for one's overall manner or presence. "Poise" is a synonym that captures the idea of calm and collectedness in one's demeanor, while "persona" refers to the way someone presents themselves or the impression they give off.