If you describe someone, especially someone you think is superior to you, as gracious, you mean that they are very well-mannered and pleasant. She is a lovely and gracious woman. = courteous
Abounding in grace or mercy; manifesting love, or bestowing mercy; characterized by grace; beneficent; merciful; disposed to show kindness or favor; condescending; as, his most gracious majesty
If you describe the behaviour of someone in a position of authority as gracious, you mean that they behave in a polite and considerate way. She closed with a gracious speech of thanks. + graciously gra·cious·ly Hospitality at the Presidential guest house was graciously declined
characterized by kindness and warm courtesy especially of a king to his subjects; "our benignant king"