-IAL
Meaning of -IAL in English
suffix
(in adjectives) typical of :
dictatorial
► -ially (in adverbs):
officially
••
WORD ORIGIN
from French -iel or Latin -ialis .
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005