Synonym: cogent evidence, proof, proofread, substantiation, test copy, trial impression, validation. Similar words: roof, uproot, go off, aloofness, room, droop, brook, troop. Meaning: [pruːf] 
n. 1. any factual evidence that helps to establish the truth of something 2. a formal series of statements showing that if one thing is true something else necessarily follows from it 3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) 4. (printing) an impression made to check for errors 5. a trial photographic print from a negative 6. the act of validating; finding or testing the truth of something. v. 1. make or take a proof of, such as a photographic negative, an etching, or typeset 2. knead to reach proper lightness 3. read for errors 4. activate by mixing with water and sometimes sugar or milk 5. make resistant (to harm). adj. (used in combination or as a suffix) able to withstand.
n. 1. any factual evidence that helps to establish the truth of something 2. a formal series of statements showing that if one thing is true something else necessarily follows from it 3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) 4. (printing) an impression made to check for errors 5. a trial photographic print from a negative 6. the act of validating; finding or testing the truth of something. v. 1. make or take a proof of, such as a photographic negative, an etching, or typeset 2. knead to reach proper lightness 3. read for errors 4. activate by mixing with water and sometimes sugar or milk 5. make resistant (to harm). adj. (used in combination or as a suffix) able to withstand. 
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121 Training is worthless unless there is proof that it works.
122 I'm living proof that you don't need a college degree to be successful.
123 For a long time it was thought to be a harmless substance, but we now have proof/evidence to the contrary.
124 Henceforth, all staff will need to provide proof of identity before entering the building.
125 The blood on his shoes was a proof of his guilt.
125 Sentencedict.com try its best to gather and make good sentences.
126 This incident will be held up as proof that tougher controls are needed.
127 Laboratory tests gave conclusive proof that the meat presents no risk to human health.
128 Her account gives us no concrete proof of his guilt.
129 In the US whiskey of 90 proof is 45% alcohol.
130 A cheque card is not a valid proof of identity.
131 She instanced the first chapter as proof of his skill in constructing scenes.
132 They're accusing me without any proof.
133 By far the best proof is experience. Francis Bacon 
134 The burden of proof in establishing the defence is upon the defendant on the balance of probabilities.
135 And the faithful still see annexation as one way to pay that bill -- and no proof it will work is required.
136 Faith is the commitment of one's consciousness to beliefs for which one has no sensory evidence or rational proof. When man rejects reason as his standard of judgement, only one alternative standard remains to him: his feelings. A mystic is a man who treats his feelings as tools of cognition. Faith is the equation of feelings with knowledge. Nathaniel Branden
137 This issue is important because of the complex nature of such frauds, meaning that proof of actual knowledge is hard to acquire.
138 The extremely rare use of the bare infinitive with the passive of perceptual verbs adds further proof that this is the case.
139 The highest proof of the spirit is love. Love the eternal thing which can already on earth possess as it really is. Albert Schweitzer
140 Was this not deft proof of how the human gene-pool was constantly deteriorating,[sentencedict.com] how bad blood drove out good?
141 You can also control the character of the bread by giving the dough ample time to proof and develop.
142 That some achieve great success, is proof to all that others can achieve it as well. Abraham Lincoln
143 Moreover, proof of non-consent on a charge of buggery or indecent assault is likely to become harder.
144 It is obvious that Bellini had assistants to help him in his studio; indeed, there is documentary proof of that.
145 Well, a statement like that is all the better for proof, but go on, anyway.
146 Volume 2 deals with general idioms e.g. keep the ball rolling, the proof of the pudding.
147 Is the potential for misidentification any less when the defence bear the burden of proof?
148 Roxburgh Castle was proof against all but prolonged siege and heavy artillery.
149 A law that took effect in 1994 requires applicants for new licenses to provide proof of legal immigration status.
150 The final proof, or perhaps the first, is the chub's big mouth and thick white rubbery lips.