Related Clues:

• Action
• See 40-Across
• Sign of refinement
• Social grace
• Diplomat's skill
• Good host's gift
• Question answered by ''M'' or ''F''
• Diplomacy
• Oafs lack it
• Boor's lack
• Cause of some R ratings
• Yahoos lack it
• Remaining silent, sometimes
• Public relations need
• Scandal subject