The word "formalnesses" may not be a very common term, but there are various synonyms that can be used to convey its meaning. Some of the synonyms for formalnesses include formality, decorum, protocol, propriety, conventionality, etiquette, and seriousness. These words usually refer to the adherence to social norms or customs, proper behavior or conduct, and the solemnity of a situation or occasion. While they may differ slightly in connotation or usage, they all share the idea of being formal or official in nature. Whether in a professional, social, or personal setting, understanding the appropriate level of formality is important for effective communication and social interaction.