Meaning of -ION in English

-ION

-ion / ə n/ BrE AmE suffix [in nouns]

[ Language: Old French ; Origin: Latin -io ]

the act, state, or result of doing something:

the completion of the task (=act of finishing it)

his election (=he was elected) to the post

Young children demand a lot of attention.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.