Open English Wordnet
Nouns
(n)ventilation, ventilation system, ventilating systema mechanical system in a building that provides fresh air“she was continually adjusting the ventilation”
(n)public discussion, ventilationfree and open discussion of (or debate on) some question of public interest“such a proposal deserves thorough public discussion”
(n)breathing, external respiration, respiration, ventilationthe bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation