v. t. | 1. | To try or to ascertain by an experiment, or by a test or standard; to test; as, to prove the strength of gunpowder or of ordnance; to prove the contents of a vessel by a standard measure. |

2. | To evince, establish, or ascertain, as truth, reality, or fact, by argument, testimony, or other evidence. | |

3. | To ascertain or establish the genuineness or validity of; to verify; as, to prove a will. | |

4. | To gain experience of the good or evil of; to know by trial; to experience; to suffer. | |

5. | (Arith.) To test, evince, ascertain, or verify, as the correctness of any operation or result; thus, in subtraction, if the difference between two numbers, added to the lesser number, makes a sum equal to the greater, the correctness of the subtraction is proved. | |

6. | (Printing) To take a trial impression of; to take a proof of; as, to prove a page. | |

v. i. | 1. | To make trial; to essay. |

2. | To be found by experience, trial, or result; to turn out to be; as, a medicine proves salutary; the report proves false. | |

3. | To succeed; to turn out as expected. |

Verb | 1. | prove - be shown or be found to be; "She proved to be right"; "The medicine turned out to save her life"; "She turned up HIV positive" |

2. | prove - establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture" | |

3. | prove - provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence" | |

4. | prove - prove formally; demonstrate by a mathematical, formal proof | |

5. | prove - put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe" | |

6. | prove - increase in volume; "the dough rose slowly in the warm room"Synonyms: rise | |

7. | prove - cause to puff up with a leaven; "unleavened bread" | |

8. | prove - take a trial impression of | |

9. | prove - obtain probate of; "prove a will" |

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