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Meaning of -tion

-tion

Pronunciation: [key]
  1. a suffix occurring in words of Latin origin, used to form abstract nouns from verbs or stems not identical with verbs, whether as expressing action (revolution; commendation), or a state (contrition; starvation), or associated meanings (relation; temptation).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.