-ation

1. 1. Action or process: strangulation.
   2. The result of an action or process: acculturation.
2. State, condition, or quality of: eburnation.

[Middle English -acioun, from Old French -ation, from Latin -ātiō, -ātiōn-, n. suff. : -ā-, stem vowel of verbs in + -tiō, -tiōn-, abstract n. suff.]