1. the quality or state of being calm, quiet, and serious in manner or behavior

Examples

• The judge’s sedateness in the courtroom commanded respect from everyone present.
• Her sedateness at the party made her seem older than her years.
• The sedateness of the library atmosphere helped students concentrate on their studies.
• Despite the chaos around him, he maintained his characteristic sedateness.
• The sedateness of the ceremony reflected the solemnity of the occasion.
• His sedateness was sometimes mistaken for unfriendliness by those who didn’t know him well.