n.the heretical doctrine (associated with the Gnostics) that Jesus had no human body and his sufferings and death on the cross were apparent rather than real
英汉双解大词典
Docetism/ˈdəʊsɪˌtɪzəm/
1.
N（名词）
(in the early Christian Church) a heresy that the humanity of Christ, his sufferings, and his death were apparent rather than real (早期基督教)幻影说