Used to indicate action, condition, result or effect; -ation
Etymology tree Latin -ātiōbor. Old French -ation Middle French -ation French -ation Inherited from Middle French -ation, from Old French -ation, borrowed from Latin -ātiō. In words inherited through Vulgar Latin, the same suffix yielded -aison.
Practice speaking and memorizing "-ation" and many other words and sentences in French.