prove 
/ˈpru:v/ verb
proves; proved; proved or chiefly US prov·en /ˈpru:v/ verb /ˈpru:vən/; prov·ing 1 [+ obj] : to show the existence, truth, or correctness of (something) by using evidence, logic, etc.
▪ The charges against him were never proved in court. ▪ The government failed to prove its case. ▪ We have evidence that will prove his guilt. = We have evidence that will prove that he is guilty. ▪ It could not be proven that the suspect stole the money. ▪ A person who is charged with a crime is considered innocent until proved/proven guilty. ▪ mathematicians trying to prove a theorem ▪ He climbed the mountain just to prove [=show] (that) he could. ▪ What are you trying to prove by behaving so recklessly? [=why are you behaving so recklessly?] ▪ I've accomplished everything I wanted to; I've got nothing left to prove. [=I do not have to do anything more to show that I am skillful, successful, etc.] ▪ He's willing to do almost anything to prove a point. [=to show that he is right about something] ▪ To prove her point, she got out the old research. — opposite disprove 2 [+ obj] : to show that (someone or something) has a particular quality, ability, etc.
▪ We have evidence that will prove him (to be) guilty. [=that will prove that he is guilty] ▪ The tests proved the vaccine to be effective. ▪ Her second album was a hit that proved her critics wrong. 3 [linking verb] : to turn out to be — used to say that something or someone is eventually found to have a particular quality, ability, etc. ▪ The new drug may prove (to be) beneficial/effective. ▪ The vaccine has proven (to be) effective after years of tests. ▪ It may prove difficult/impossible to do this. ▪ The report of the war's end proved (to be) false. ▪ The book should prove helpful to many people. ▪ The new system could prove to be as bad as the old one was.
▪ The charges against him were never proved in court. ▪ The government failed to prove its case. ▪ We have evidence that will prove his guilt. = We have evidence that will prove that he is guilty. ▪ It could not be proven that the suspect stole the money. ▪ A person who is charged with a crime is considered innocent until proved/proven guilty. ▪ mathematicians trying to prove a theorem ▪ He climbed the mountain just to prove [=show] (that) he could. ▪ What are you trying to prove by behaving so recklessly? [=why are you behaving so recklessly?] ▪ I've accomplished everything I wanted to; I've got nothing left to prove. [=I do not have to do anything more to show that I am skillful, successful, etc.] ▪ He's willing to do almost anything to prove a point. [=to show that he is right about something] ▪ To prove her point, she got out the old research. — opposite disprove
▪ We have evidence that will prove him (to be) guilty. [=that will prove that he is guilty] ▪ The tests proved the vaccine to be effective. ▪ Her second album was a hit that proved her critics wrong.
prove yourself
: to show that you are able to do something or to succeed
▪ She was eager to prove herself in her new job. ▪ She has proven herself (to be) capable of excellent work. [=she has shown that she is capable of excellent work]
▪ She was eager to prove herself in her new job. ▪ She has proven herself (to be) capable of excellent work. [=she has shown that she is capable of excellent work]
— prov·able /ˈpru:vəbəl/ adjective
▪ The case will not be easily provable.
/ˈpru:vəbəl/ adjective ▪ The case will not be easily provable.
