Consubstantiation :: Consubstantiation (n.) The actual, substantial presence of the body of Christ with the bread and wine of the sacrament of the Lord's Supper; impanation; -- opposed to transubstantiation..
Substantiation :: Substantiate (v. t.) To establish the existence or truth of by proof or competent evidence; to verify; as, to substantiate a charge or allegation; to substantiate a declaration..
Transubstantiation :: Transubstantiation (n.) The doctrine held by Roman Catholics, that the bread and wine in the Mass is converted into the body and blood of Christ; -- distinguished from consubstantiation, and impanation..