proven

To proofread.

To make resistant, especially to water.

To allow yeast-containing dough to rise.

To test the activeness of yeast.

To demonstrate that something is true or viable; to give proof for.

“I will prove that my method is more effective than yours.”

To turn out; to manifest.

“It proved to be a cold day.”

To turn out to be.

“Have an exit strategy should your calculations prove incorrect.”

To put to the test, to make trial of.

“The exception proves the rule.”

To ascertain or establish the genuineness or validity of; to verify.

“to prove a will”

To experience.

To take a trial impression of; to take a proof of.

“to prove a page”

Having been proved; having proved its value or truth.

“It's a proven fact that morphine is a more effective painkiller than acetaminophen is.”