Definitions

1. verb

to make (someone) no longer astonished or surprised

“The news was intended to unastonish the public about the upcoming changes.”

2. verb

to cease to be astonishing or surprising

“The new discovery gradually began to unastonish the scientists.”

3. noun

the act of making (someone) no longer astonished or surprised

“The unastonish of the public was a key factor in the government’s decision-making process.”