a. Action or process: strangulation.
b. 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 -āre + -tiō, -tiōn-, abstract n. suff.]
suffix forming nouns
[from Latin -ātiōn-, suffix of abstract nouns, from -ātus -ate1 + -iōn -ion]
a suffix used to form nouns corresponding to verbs or adjectives ending in -ate1 (separation); on this model, sometimes used to form nouns from other stems (flirtation; starvation).
[< Latin -ātiōn-, s. of -ātiō=-ā- s. vowel + -tiō -tion]