courteously
No, it's an adjective. Courteously is an adverb.
The word "gracious" can function as both an adjective and an adverb. As an adjective, it describes someone who is kind, courteous, and showing good manners. As an adverb, it means in a courteous and kind manner.
he asked her in courteous manner. Be courteous and you will get respect.
courteous
more courteous, most courteous
more courteous
you are vey courteous
The Ambassador is known to be courteous and gracious. Did the hotel clerk seem to be overly courteous?
courteous expression
The doorman was very courteous.
more interesting, most interesting more courteous, most courteous
He was very courteous by opening the door for me.