°Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
°The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
adjective
°Used in proving or testing; as, a proof load, or proof charge.
°Firm or successful in resisting; as, proof against harm;
waterproof; bombproof.
verb
°To make resistant, especially to water.
synonyms:
testimony, evidence, reason, argument
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, trial, demonstration