Related Clues:

• One is bound by discretion, that's understood
• Respect, admiration
• Implied historian's not American
• Understood, implied
• Aircraft body
• Understood tax cut made by Channel Islands finally caught on
• One involved in diplomacy has to be silent
• Implied without being stated
• Understood that all children instinctively think using their heads
• Implied one undamaged, you might say?
• Aeronautical engineer's housing? A small room in Geordieland
• Silent part of Atlanta city
• Wordless, one tucked into delicacy
• One's involved in diplomacy, it's understood
• One involved in whip-round - East Ender, it's understood