Definition of "Proof" :
noun: the act of validating; finding or testing the truth of something
noun: a trial photographic print from a negative
noun: any factual evidence that helps to establish the truth of something
"If you have any proof for what you say, now is the time to produce it."
noun: (printing) an impression made to check for errors
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)
verb: make resistant (to harm)
"Proof the materials against shrinking in the dryer."
verb: activate by mixing with water and sometimes sugar or milk
"Proof yeast."
verb: read for errors
"I should proofread my manuscripts."
verb: knead to reach proper lightness
"Proof dough."
verb: make or take a proof of, such as a photographic negative, an etching, or typeset
adjective: (used in combination or as a suffix) able to withstand
"Temptation-proof."