The Collaborative International Dictionary of English v.0.48:

Conceive \Con*ceive"\, v. t. [imp. & p. p. Conceived; p. pr. &
   vb. n. Conceiving.] [OF. conzoivre, concever, conceveir, F.
   concevoir, fr. L. oncipere to take, to conceive; con- +
   capere to seize or take. See Capable, and cf.
   Conception.]
   1. To receive into the womb and begin to breed; to begin the
      formation of the embryo of.
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            She hath also conceived a son in her old age. --Luke
                                                  i. 36.
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   2. To form in the mind; to plan; to devise; to generate; to
      originate; as, to conceive a purpose, plan, hope.
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            It was among the ruins of the Capitol that I first
            conceived the idea of a work which has amused and
            exercised near twenty years of my life. --Gibbon.
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            Conceiving and uttering from the heart words of
            falsehood.                            --Is. lix. 13.
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   3. To apprehend by reason or imagination; to take into the
      mind; to know; to imagine; to comprehend; to understand.
      "I conceive you." --Hawthorne.
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            O horror, horror, horror! Tongue nor heart
            Cannot conceive nor name thee!        --Shak.
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            You will hardly conceive him to have been bred in
            the same climate.                     --Swift.

   Syn: To apprehend; imagine; suppose; understand; comprehend;
        believe; think.
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Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "conceived":
   appreciated, apprehended, ascertained, coined, comprehended,
   discerned, discovered, down pat, fabricated, grasped, invented,
   known, made-up, minted, new-minted, originated, pat, perceived,
   prehended, realized, recognized, seized, understood