the mind > mental capacity > perception or cognition > faculty of imagination > fancy or fantastic notion > deceptive fancy or illusion > [noun] > delusive habit or state
phantasma1250
mazec1300
fantasy1340
fancy1597
illusiveness1727
illusion1774
mythicalism1896
1896 Fortn. Rev. Apr. 633 All superstition, mythicalism, other-worldism, and all that savours of obscurantism.