a combination of -ate1 and -ion, used to form nouns from stems in -ate1 (separation); on this model, used independently to form nouns from stems of other origin: starvation.

Words nearby -ation

Origin of -ation

< Latin -ātiōn- (stem of -ātiō), equivalent to -ā- stem vowel + -tiōn- -tion
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British Dictionary definitions for -ation


suffix forming nouns

indicating an action, process, state, condition, or resultarbitration; cogitation; hibernation; moderation Compare -ion, -tion

Word Origin for -ation

from Latin -ātiōn-, suffix of abstract nouns, from -ātus -ate 1 + -iōn -ion
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