Английский разговорный словарь (основной) - -ation

suffix 1 forming nouns denoting an action or an instance of it (alteration; flirtation; hesitation). 2 forming nouns denoting a result or product of action (plantation; starvation; vexation) (see also -FICATION). [from or after F -ation or L -atio -ationis f. verbs in -are: see -ION]