What is a synonym for astonishing?

Here are some synonyms for "astonishing," depending on the specific context:

Stronger synonyms:

* Awe-inspiring

* Breathtaking

* Mind-blowing

* Staggering

* Stunning

* Unbelievable

More neutral synonyms:

* Amazing

* Impressive

* Remarkable

* Surprising

* Unexpected

Formal synonyms:

* Extraordinary

* Miraculous

* Prodigious

* Wondrous

The best synonym for "astonishing" will depend on the specific context and the desired tone.