prove
verb (used with object)
to establish the truth or genuineness of, as by evidence or argument.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That intervention was almost certainly the result of wheedling by the FA, who seem so much more comfortable with this sort of provenly ineffectual princery than with being held democratically to account.
From The Guardian ● Oct. 9, 2015