The Collaborative International Dictionary of English v.0.48:

Consubstantiate \Con`sub*stan"ti*ate\ (?; 106), v. t. [imp. & p.
   p. Consubstantiated; p. pr. & vb. n. Consubstantiating.]
   To cause to unite, or to regard as united, in one common
   substance or nature. [R.]
   [1913 Webster]

         His soul must be consubstantiated with reason. --Jer.
                                                  Taylor.
   [1913 Webster]