Astounding is an adjective which means extremely surprising or impressive. It can refer to something that is so remarkable, it takes one's breath away. The term suggests a sense of wonder and amazement at what has been seen, heard, or experienced.
Usage examples
The magician's tricks were truly astounding, leaving the audience in awe.
The astronaut's photos of planet Earth from space were astounding, capturing its beauty and vastness.
The athlete's extraordinary speed and agility were astounding, breaking multiple records in the competition.
The scientist's groundbreaking research on the cure for cancer is truly astounding, offering hope to millions.
The artist's intricate and detailed paintings were astounding, showcasing their immense talent and creativity.
I can barely understand one sentence you just wrote there... but I'm sure it was incredibly wholesome, astounding by nature and completely riveting. (religion.blogs.cnn.com)
There are some very decent contributors on here but them aside the real world ignorance on here is astounding at times. (justarsenal.com)
At twelve years old, He was in astounding the teachers at the temple. (redeeminggod.com)