proof

noun

1. : the effect of evidence sufficient to persuade a reasonable person that a particular fact exists — see also evidence

2. : the establishment or persuasion by evidence that a particular fact exists — see also burden of proof

3. : something (as evidence) that proves or tends to prove the existence of a particular fact — see also clear and convincing, preponderance of the evidence, reasonable doubt, standard of proof — compare allegation, argument

4. : probate 1a