verb 
1. 
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" 


demonstrate,
establish,
show,
shew 


confute,
disprove prove to be false; "The physicist disproved his colleagues' theories"



affirm,
corroborate,
substantiate,
confirm,
sustain,
support to declare or affirm solemnly and formally as true; "Before God I swear I am innocent"



prove oneself show one's ability or courage



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"



contradict,
negate deny the truth of



stultify cause to appear foolish; "He stultified himself by contradicting himself and being inconsistent"

2. 
prove  prove formally; demonstrate by a mathematical, formal proof 


shew,
demonstrate,
establish,
prove,
show march in protest; take part in a demonstration; "Thousands demonstrated against globalization during the meeting of the most powerful economic nations in Seattle"



math,
mathematics,
maths a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

3. 
prove  obtain probate of; "prove a will" 


authenticate establish the authenticity of something



jurisprudence,
law the branch of philosophy concerned with the law and the principles that lead courts to make the decisions they do

4. 
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" 


be spend or use time; "I may be an hour"



ensue,
result come about or follow as a consequence; "nothing will result from this meeting"

5. 
prove  take a trial impression of 


print,
impress put into print; "The newspaper published the news of the royal couple's divorce"; "These news should not be printed"
