To attest to (a fact) as the truth.
To attest that a product, service, organization, or person has met an official standard.
To authenticate or verify in writing.
To ascertain or establish the genuineness or validity of; to verify.
To demonstrate that something is true or viable; to give proof for.
To put to the test, to make trial of.
To determine by experiment which effects a substance causes when ingested.
simple past tense of proove
To turn out; to manifest.
To turn out to be.
The process of dough proofing.