WordNet sense 1 (be shown or be found to be):

turn out, turn up

WordNet sense 2 (put to the test, as for its quality, or give experimental use to):

essay, examine, test, try, essay

WordNet sense 3 (increase in volume):

rise

WordNet sense 4 (cause to puff up with a leaven):

leaven, raise

WordNet sense 5 (provide evidence for):

evidence, show, testify, bear witness

WordNet sense 6 (establish the validity of something, as by an example, explanation or experiment):

demonstrate, shew, establish