Synonym: certify, check, confirm, demonstrate, document, establish, justify, show, substantiate, verify. Antonym: suppose. Similar words: approve, proverb, improved, approve of, improvement, provide, province, provoke. Meaning: [pruːv] 
v. 1. be shown or be found to be 2. establish the validity of something, as by an example, explanation or experiment 3. provide evidence for 4. prove formally; demonstrate by a mathematical, formal proof 5. put to the test, as for its quality, or give experimental use to 6. increase in volume 7. cause to puff up with a leaven 8. take a trial impression of 9. obtain probate of.
v. 1. be shown or be found to be 2. establish the validity of something, as by an example, explanation or experiment 3. provide evidence for 4. prove formally; demonstrate by a mathematical, formal proof 5. put to the test, as for its quality, or give experimental use to 6. increase in volume 7. cause to puff up with a leaven 8. take a trial impression of 9. obtain probate of. 
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91. Can we prove that God exists?
92. The new economic policies could prove suicidal for the party.
93. He wants to prove just how much he has matured both as a player and as a man.
94. The teacher gave her one last chance to prove she could behave.
95. The burden of proof lay on the plaintiff to prove negligence.
96. He was unable to produce the document that he claimed would prove his case.
97. If they prove that I was wrong, then I'll go by what they say.
98. We both kept pinching ourselves to prove that it wasn't all a dream.
99. The current new wave of technology should prove an economic elixir.
100. I shall prove to you that the witness is not speaking the truth.
101. As if to prove the legitimacy of these fears(sentencedict.com), the Cabinet of Franz von Papen collapsed on December 2.
102. He had the nerve to ask me to prove who I was.
103. Faraday used no mathematics at all to prove his rule.
104. It's a challenging job but I'm sure you'll prove equal to it.
105. Don't prattle about your theory. You must practise it and prove it.
106. He was given a second chance to prove his abilities.
107. He's so aggressive - it's as if he's always trying to prove something.
108. The practice is not a very lucrative one at the moment, but if it is worked up It'should prove quite profitable.
109. History will prove him to have been right all along.
110. It is only on the world market that we can prove the competitiveness and quality of our goods.
111. This will prove to the world that we are right.
112. In order to sue(sentencedict.com), you have to prove that the company was acting in bad faith .
113. I ,dare say you 'are British but you still need a passport to prove it.
114. He claims the police destroyed records that could prove the officer's guilt.
115. Some tribes used to collect scalps to prove how many of the enemy they had killed in battle.
116. He showed me some of the original documents to prove his point .
117. The report is likely to prove highly embarrassing to the government.
118. His delay in making a decision could prove costly in the long run.
119. She was certainly guilty, but the police couldn't prove it.
120. I can't prove it-you'll have to take my word for it .