What is another word for "exposure"?

Roget's Thesaurus (1911) lists these synonyms for "exposure": aerial, aeriform, aerography, aerology, aerometer, aerometry, aeronaut, aeronautics, aeroscope, aeroscopy, aerosphere, aerostation, air, airy, and, aneroid, answerable, apt, atmosphere, atmospheric, barometer, baroscope, belle, blue, chance, climate, climatology, cloud, cock, common, contingency, contingent, danger, dependent, door, effervescent, etoile, eudiometer, expose, fall.