From the Greek, I seem, docetism is a Gnostic doctrine which holds that the suffering and death of Christ were illusory, rather than actual, and that Christ, as a spiritual being, did not have a material body.

• Gnosticism
  A belief system with a unique worldview, Gnosticism is both an ancient Pagan religion and an early Christian Heresy. Gnostic belief is purported by some to be the original Christianity, by others the greatest heresy.
• Gnostic and Historic Christianity
  Gerald Massey
• Hollywood goes Gnostic
  Has Hollywood gone Gnostic? Are there secret theological messages in modern films? Explore Cinema's strange new direction.
• Gnostic scriptures
  The Gnostics were early Pagans and Christians with a very unique theology. Gnostic texts were found to be so threatening that many were destroyed or hidden, only to be rediscovered two thousand years later.