To gain experience of the good or evil of; to know by trial; to experience; to suffer.
To take a trial impression of; to take a proof of; as, to prove a page.
To make trial; to essay.
To be found by experience, trial, or result; to turn out to be; as, a medicine proves salutary; the report proves false.
Pre-operational Validation and Experimental Trials Platform
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"