| noun | the act of supplying fresh air and getting rid of foul air |
| noun | a mechanical system in a building that provides fresh air “she was continually adjusting the ventilation” |
| noun | free and open discussion of (or debate on) some question of public interest “such a proposal deserves thorough public discussion” |
| noun | the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation |
| ventilate | verb | circulate through and freshen |
| breathe | verb | take a short break from one's activities in order to relax |
| respire | verb | undergo the biomedical and metabolic processes of respiration by taking up oxygen and producing carbon monoxide |