IPA: /ɪˈluːʒəri/
KK: /ɪˈluːʒəri/
Something that is not real or is based on a false idea; it can trick people into believing something that isn't true.
The magician's tricks created an illusory world that amazed the audience.
Illusory → It is formed from "illusio" (from Latin, meaning deception or mockery) and the suffix "-ory" (meaning relating to or characterized by). The word "illusory" describes something that is characterized by deception or not real, like an illusion.
Think of 'deception' ('illusio') to remember that 'illusory' refers to something that is not real or is misleading.