Meaning of -ATION in English

-ATION

[-ation] n suffix [ME -acioun, fr. OF -ation, fr. L -ation-, -atio, fr. -a-, stem vowel of 1st conj. + -tion-, -tio, n. suffix]: action or process "flirtation": something connected with an action or process "discoloration"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.