1) Ejection 2) Exclusion 3) Expulsion 4) Riddance 
Defenestration is the act of throwing someone or something out of a window. The term was coined around the time of an incident in Prague Castle in the year 1618. The word comes from the Latin de- (down or away from) and fenestra (window or opening). Likewise, it can also refer to the condition of being thrown out of a window, as in `The Defenestr....
throwing a person or object out a window
[n] - the act of throwing someone or something out of a window
defenestration An act of throwing someone or something out of a window.
noun the act of throwing someone or something out of a window
the act of throwing a thing or esp. a person out of a window: the defenestration of the commissioners at Prague.
the act of throwing someone or something out of a window