[ ɪ'l(j)u:sɪv ]
■ adjective chiefly literary deceptive; illusory.
Origin
C17: from med. L. illusivus , from L. illus- , illudere (see illusion ).
ILLUSIVE
Meaning of ILLUSIVE in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004