"Impressiveness" Natural Recordings by Native Speakers
Impressiveness refers to the state or quality of being impressive, which means creating a strong and lasting impression on someone, often due to something such as grandeur, majesty, or excellence. It can also describe the act of impressing someone or something, including the feeling or emotion that is produced.
In an impressively manner means to do something in a very outstanding or remarkable way, leaving a strong impression on others.