The Collaborative International Dictionary of English v.0.48:

Platonize \Pla"to*nize\, v. i. [imp. & p. p. Platonized; p.
   pr. & vb. n. Platonizing.]
   To adopt the opinion of Plato or his followers. --Milner.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Platonize \Pla"to*nize\, v. t.
   To explain by, or accomodate to, the Platonic philosophy.
   --Enfield.
   [1913 Webster]