Meaning of -ICAL in English

-ICAL

-ical /ɪk ə l/ BrE AmE suffix [in adjectives]

[ Language: Late Latin ; Origin: -icalis ]

another form of the suffix ↑ -ic (1):

historical (=of history)

satirical

—-ically /ɪkli/ [in adverbs] :

historically

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