illusory

As adjectives the difference between immaterial and illusory

is that immaterial is having no matter or substance while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between unrealistic and illusory

is that unrealistic is not realistic while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between dreamy and illusory

is that dreamy is as in a dream; resembling a dream while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between airy and illusory

is that airy is consisting of air; as, an airy substance; the airy parts of bodies while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between unsubstantial and illusory

is that unsubstantial is (archaic) while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between fanciful and illusory

is that fanciful is imaginative or fantastic; unreal or imagined while illusory is resulting from an illusion; deceptive, imaginary, unreal.

Ellusive is likely misspelled.

Ellusive has no English definition.

As an adjective illusory is

resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between illusory and allusory

is that illusory is resulting from an illusion; deceptive, imaginary, unreal while allusory is allusive; making allusion.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective illusory is

resulting from an illusion; deceptive, imaginary, unreal.

As adjectives the difference between illusory and barmecidal

is that illusory is resulting from an illusion; deceptive, imaginary, unreal while barmecidal is unreal; illusory.