Dictionary
-tion
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).
Also,-ation,-cion,-ion,-sion,-xion.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.