delusion C2+

/dɪˈluʒən/ a false belief held despite evidence to the contrary

illusionist C2+

/ɪˈluʒənɪst/ a magician who performs tricks of deception and optical illusion

delude C2+

/dɪˈlud/ to mislead the mind or judgment of; deceive

illusory C2+

/ɪˈlusəri/ based on illusion; deceptive or not real