-ation

-ation

suff.1. 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.]

-ation

suffix forming nouns indicating an action, process, state, condition, or result: arbitration; cogitation; hibernation; moderation. Compare -ion, -tion [from Latin -ātiōn-, suffix of abstract nouns, from -ātus -ate1 + -iōn -ion]

-ation

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]