The phrase "astonishing display" is correct and usable in written English.
It can be used to describe something that is remarkably impressive or surprising, often in the context of a performance, exhibition, or visual presentation.
Example: "The fireworks show was an astonishing display of color and creativity that left the audience in awe."
Alternatives: "amazing exhibition" or "breathtaking showcase."
That's an astonishing display of arrogance.
It was, she writes, an "astonishing display of self-absorption".
Our time would boast of such an astonishing display of speed.
But it was best described in athletic terms: an astonishing display of muscle and speed, seemingly for their own sake.
And here it was, banners of deep pink, purple and orange chiffon floating across the sky, an astonishing display.
It is an astonishing display of the repeated surrender of power that should disqualify him from being called a politician.
His manager, Sir Alex Ferguson, thought that, in the face of Robin van Persie's astonishing displays for Arsenal, Rooney might not win the Footballer of the Year award.
Meanwhile, anyone who gazes upon the astonishing displays of waterlilies on Bosherston lily ponds will understand just how the flowers inspired Monet to such great heights of artistry.
But one of the exhibition's most astonishing displays near its very end shows that in time this complaint might come to seem somewhat quaint: Biological events, human experience and mechanical devices are becoming intertwined in the latest research.
Songs about the intoxication of divine love are propelled by hand claps, call-and-response singing and improvisations that start with straightforward melodies and spiral upward to astonishing displays of virtuosity.
One "Obama administration insider" said: "It was one of those astonishing displays of incompetence that sort of leaves you wondering about how, you know, have we all got this far?" The book says the White House considered it had been "fucked over" on both Libya and Syria.
