aerate

verb

1.
expose to fresh air
air air out
Event:
aeration
Derived from:
aeration air
2.
aerate (sewage) so as to favor the growth of organisms that decompose organic matter
activate
Agent:
aerator
Derived from:
aerator air
3.
impregnate, combine, or supply with oxygen
oxygenate oxygenise oxygenize
Event:
aeration
Derived from:
aeration