Spacial and Three-dimensional

Spacial adjective - Pertaining to or involving or having the nature of space.

Three-dimensional and spacial are semantically related. In some cases you can use "Three-dimensional" instead an adjective "Spacial".

Three-dimensional adjective - Closely resembling the object imitated.

Spacial and three-dimensional are semantically related. Sometimes you can replace term "Spacial" with "Three-dimensional", this terms are similar.