-ation

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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.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of -ation

<Latin -ātiōn- (stem of -ātiō), equivalent to -ā- stem vowel + -tiōn--tion

Words nearby -ation

tight rein on, a, atigi, atilt, A time to be born and a time to die, atingle, -ation, atiptoe, atishoo, at issue, at it, Atitlán

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use -ation in a sentence

But in his talk there were no pompous triads, and little more than a fair proportion of words in -osity and -ation.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 4|Various
Lor' bless 'ee, why there's the beautiful new recr'ation ground as we've just 'ad made!
Mr. Punch On Tour|Various
He was parsimonious, and the economy used at his coronation was so marked that it was called a "Half Crown-ation."
English Heraldic Book-stamps|Cyril Davenport
My wife had been dead fur sebrel years, an' not habbin' any chillum I libed by myse'f in er cabin on er big plan'ation.
Up Terrapin River|Opie P. Read

The green doors fell to behind Glaze and Puckinharn and cut off the murmured admir ation.
Ande Trembath|Matthew Stanley Kemp

British Dictionary definitions for -ation

-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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012