The Collaborative International Dictionary of English v.0.48:

Mingle \Min"gle\, v. t. [imp. & p. p. Mingled; p. pr. & vb. n.
   Mingling.] [From OE. mengen, AS. mengan; akin to D. & G.
   mengen, Icel. menga, also to E. among, and possibly to mix.
   Cf. Among, Mongrel.]
   [1913 Webster]
   1. To mix; intermix; to combine or join, as an individual or
      part, with other parts, but commonly so as to be
      distinguishable in the product; to confuse; to confound.
      [1913 Webster]

            There was . . . fire mingled with the hail. --Ex.
                                                  ix. 24.
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   2. To associate or unite in society or by ties of
      relationship; to cause or allow to intermarry; to
      intermarry.
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            The holy seed have mingled themselves with the
            people of those lands.                --Ezra ix. 2.
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   3. To deprive of purity by mixture; to contaminate.
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            A mingled, imperfect virtue.          --Rogers.
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   4. To put together; to join. [Obs.] --Shak.
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   5. To make or prepare by mixing the ingredients of.
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            [He] proceeded to mingle another draught.
                                                  --Hawthorne.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "mingled":
   amalgamated, ambiguous, ambivalent, amphibious, blended, combined,
   complex, composite, compound, compounded, conglomerate, dappled,
   eclectic, equivocal, fifty-fifty, half-and-half, heterogeneous,
   indiscriminate, intricate, ironic, jumbled, many-sided, medley,
   miscellaneous, mixed, motley, multifaceted, multinational,
   multiracial, patchy, pluralistic, promiscuous, scrambled,
   syncretic, thrown together, varied