Diplomacy n. is the art of letting somebody else have your way.
I got my diploma from Ealing College of Art in graphics and illustration.
To say nothing especially when speaking is half the art of diplomacy.
Diplomacy: the art of restraining power.
Diplomacy is the art of saying 'Nice doggie' until you can find a rock.
A diplomat is a man who always remembers a woman's birthday but never remembers her age.