illusory (adjective)

1. In the illusory world of science fiction, humans have the power to teleport.

2. The characters in the cartoon exhibit illusory abilities like flying and talking.

3. During the Cold War, the concept of nuclear deterrence was built upon the illusory notion of mutually assured destruction.

4. The magician's assistant vanished into an illusory puff of smoke, leaving the audience amazed and bewildered.