send up a balloon

canvass enroll examine interview register survey tally

ballot list sample vote

test the waters

ignore neglect

analyze assess check confirm demonstrate investigate prove question try verify

assay experiment inquire substantiate validate

experimentalize give a tryout look into make a trial run match up prove out put to the test run idea by someone run it up a flagpole see how it flies see how wind blows shake down stack up try on try on for size try out

discredit disprove invalidate