ventilate

Concise Oxford English Dictionary © 2008 Oxford University Press:
ventilate/ˈventɪleɪt/

▶verb

• 1 cause air to enter and circulate freely in (a room or building).

• 2 discuss (an opinion or issue) in public.

• 3 Medicine subject to artificial respiration.

• 4 informal kill by shooting.

– derivatives
ventilation noun.

– origin ME (in the sense ‘winnow, scatter’): from L. ventilat-, ventilare ‘blow, winnow’, from ventus ‘wind’.