The Collaborative International Dictionary of English v.0.48:

Gospelize \Gos"pel*ize\, v. t. [imp. & p. p. Gospelized; p.
   pr. & vb. n. Gospelizing.] [Written also gospellize.]
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   1. To form according to the gospel; as, a command gospelized
      to us. --Milton.
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   2. To instruct in the gospel; to evangelize; as, to gospelize
      the savages. --Boyle.
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