-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.

Origin of -tion

< Latin -tiōn- (stem of -tiō), equivalent to -t(us) past participle suffix + -iōn- -ion

Words nearby -tion

-therm, -thermy, -thon, -thymia, -tic, -tion, -tious, -to-be, -tome, -tomous, -tomy

British Dictionary definitions for -tion

-tion

suffix forming nouns

indicating state, condition, action, process, or result election; prohibition Compare -ation, -ion

Word Origin for -tion

from Old French, from Latin -tiō, -tiōn-