1. (v. t.) To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.

2. (v. t.) To provide with a vent, or escape, for air, gas, etc.; as, to ventilate a mold, or a water-wheel bucket.

3. (v. t.) To change or renew, as the air of a room.

4. (v. t.) To winnow; to fan; as, to ventilate wheat.

5. (v. t.) To sift and examine; to bring out, and subject to penetrating scrutiny; to expose to examination and discussion; as, to ventilate questions of policy.

6. (v. t.) To give vent; to utter; to make public.

aerate air air out air-condition air-cool airify analyze break it to break the news breathe bring up broach canvass chew the fat chill come out with comment upon confide confide to consider controvert cool cross-ventilate deal with debate deliberate deliberate upon discourse discourse about discuss display divulgate divulge evulgate examine exchange views fan freshen freshen the air fumigate give give out give vent to go into handle ice ice-cool infrigidate introduce investigate knock around let get around let in on let out make known make public moot open up out with oxygenate oxygenize pass under review publish put put out rap reason reason about reason the point refresh refrigerate reveal review sift state study take up talk talk about talk of talk over tell thresh out treat utter vent wind winnow