To affirm to be correct, true, or genuine.
To certify in an official capacity.
To put under oath.
To supply or be evidence of.
To certify by signature or oath.
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.