The Collaborative International Dictionary of English v.0.48:

Allegorize \Al"le*go*rize\, v. t.
   To use allegory. --Holland.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Allegorize \Al"le*go*rize\, v. t. [imp. & p. p. Allegorized;
   p. pr. & vb. n. Allegorizing.] [Cf. F. all['e]goriser, fr.
   L. allegorizare.]
   1. To form or turn into allegory; as, to allegorize the
      history of a people.
      [1913 Webster]

   2. To treat as allegorical; to understand in an allegorical
      sense; as, when a passage in a writer may understood
      literally or figuratively, he who gives it a figurative
      sense is said to allegorize it.
      [1913 Webster]

WordNet (r) 3.0 (2006):

allegorize
    v 1: interpret as an allegory [syn: allegorize, allegorise]
    2: make into an allegory; "The story was allegorized over time"
       [syn: allegorize, allegorise]

Moby Thesaurus II by Grady Ward, 1.0:

75 Moby Thesaurus words for "allegorize":
   account for, allude to, assume, bring to mind, clarify, clear up,
   connote, crack, decipher, demonstrate, demythologize, elucidate,
   enlighten, entail, euhemerize, exemplify, explain, explain away,
   explicate, exposit, expound, fable, fabulize, fictionalize,
   give reason for, give the meaning, hint, illuminate, illustrate,
   implicate, imply, import, infer, insinuate, intimate, involve,
   make clear, make plain, mean, mean to say, mythicize, mythify,
   mythologize, narrate, novelize, point indirectly to, popularize,
   presume, presuppose, rationalize, recite, recount, rehearse,
   relate, report, retell, romance, shed light upon, show, show how,
   show the way, simplify, solve, spell out, storify, suggest,
   suppose, take for granted, tell, tell a story, throw light upon,
   unfold, unfold a tale, unlock, unravel