The word “demeanour” refers to a person's outward behaviour or bearing. Here are some synonyms and an analysis:
bearing: This term emphasizes the way a person holds themselves and presents themselves to others. For example, “Her bearing was regal and confident.” It suggests a certain posture and presence.
manner: “Manner” refers to the way a person behaves in a particular situation. For instance, “His manner was polite and respectful.” It can encompass both verbal and non-verbal aspects of behaviour.
conduct: This word focuses on a person's actions and how they comport themselves. For example, “Her conduct at the meeting was exemplary.” It implies a sense of propriety and correctness.
deportment: Similar to bearing, deportment emphasizes proper and refined behaviour. For example, “The students were taught good deportment.” It often implies a certain level of decorum and grace.
behaviour: This is a more general term that can refer to any action or reaction of a person. For instance, “His behaviour was erratic.” It can be used to describe both positive and negative aspects of a person's actions.
In conclusion, these synonyms for “demeanour” all describe different aspects of a person's outward behaviour. Whether it's their bearing, manner, conduct, deportment, or overall behaviour, these words help us to understand and describe how people present themselves to the world.