solemnity
so.lem.ni.ty \s*-'lem-n*t-e-\ n 1: formal or ceremonious observance of an occasion or event 2: a solemn event or occasion 3: a solemn condition or quality (as of mien)
Webster's English Dictionaryso.lem.ni.ty \s*-'lem-n*t-e-\ n 1: formal or ceremonious observance of an occasion or event 2: a solemn event or occasion 3: a solemn condition or quality (as of mien)