proof

(noun) any factual evidence that helps to establish the truth of something. Synonyms: cogent evidence. Example: "If you have any proof for what you say, now is the time to produce it."

(noun) a formal series of statements showing that if one thing is true something else necessarily follows from it.

(noun) a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume).

(noun) (printing) an impression made to check for errors. Synonyms: test copy, trial impression.

(noun) a trial photographic print from a negative.

(noun) the act of validating; finding or testing the truth of something. Synonyms: validation, substantiation.

(verb) make or take a proof of, such as a photographic negative, an etching, or typeset.

(verb) knead to reach proper lightness. Example: "Proof dough."

(verb) read for errors. Synonyms: proofread. Example: "I should proofread my manuscripts."

(verb) activate by mixing with water and sometimes sugar or milk. Example: "Proof yeast."

(verb) make resistant (to harm). Example: "Proof the materials against shrinking in the dryer."

(adj) (used in combination or as a suffix) able to withstand. Synonyms: proof(predicate). Examples: "Temptation-proof." "Childproof locks."