Synonyms to trial balloon

catechism, Weltanschauung, articles of religion, bone of contention, credenda, credo, creed, cross-interrogatory, cross-question, cult, debating point, demand, doctrinal statement, faith, feeler, formulated belief, gospel, ideology, inquiry, interrogation, interrogative, interrogatory, ism, issue, leader, leading question, moot point, point at issue, point in question, political faith, political philosophy, problem, query, question, question at issue, question mark, quodlibet, religion, school, system of belief, topic, vexed question, world view, barometer, aerological instrument, aneroid barometer, aneroidograph, barograph, barometrograph, canon, check, criterion, degree, gauge, glass, graduated scale, hurricane-hunter aircraft, hygrometer, measure, model, norm, parameter, pattern, pilot balloon, probe, quantity, radiosonde, random sample, reading, readout, recording barometer, rule, sample, scale, sound, sounder, standard, straw vote, test, touchstone, type, vacuometer, value, weather balloon, weather instrument, weather satellite, weather vane, weathercock,