• evidence or argument establishing a fact or the truth of a statement

Synonyms: evidence, verification, corroboration, authentication, confirmation, certification, validation, attestation, demonstration, substantiation, witness, testament

• a trial impression of a page, taken from type or film and used for making corrections before final printing

Synonyms: page proof, galley proof, galley, pull, slip, trial print

• the strength of distilled alcoholic spirits, relative to proof spirit taken as a standard of 100

• a test or trial of something

Synonyms: criterion, proof, indication, yardstick, touchstone, standard, measure, litmus test, barometer

• a trial or a civil case before a judge without a jury

• able to withstand something damaging; resistant

Synonyms: resistant, impenetrable, impervious, repellent

• denoting a trial impression of a page or printed work

• make (fabric) waterproof

• make a proof of (a printed work, engraving, etc.)

Synonyms: set in print, send to press, run off, preprint, reprint, pull, proof, copy, reproduce

• activate (yeast) by the addition of liquid