definition of
prove

[1] #1 prove v. [turn out, turn up] 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". wn

[2] #2 prove v. [demonstrate, establish, show, shew] 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". wn

[3] #3 prove v. [testify, bear witness, evidence, show] provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence". wn

[4] #4 prove v. prove formally; demonstrate by a mathematical, formal proof. wn

[5] #5 prove v. [test, try, try out, examine, essay] put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe". wn