The Collaborative International Dictionary of English v.0.48:

Implant \Im*plant"\v. t. [imp. & p. p. Implanted; p. pr. & vb.
   n. Implanting.] [Pref. im- in + plant: cf. F. implanter.]
   To plant, or infix, for the purpose of growth; to fix deeply;
   to instill; to inculate; to introduce; as, to implant the
   seeds of virtue, or the principles of knowledge, in the minds
   of youth.
   [1913 Webster]

         Minds well implanted with solid . . . breeding.
                                                  --Milton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

implanted
    adj 1: (used especially of ideas or principles) deeply rooted;
           firmly fixed or held; "deep-rooted prejudice"; "deep-
           seated differences of opinion"; "implanted convictions";
           "ingrained habits of a lifetime"; "a deeply planted need"
           [syn: deep-rooted, deep-seated, implanted,
           ingrained, planted]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "implanted":
   chronic, confirmed, deep-dyed, deep-engraven, deep-fixed,
   deep-grounded, deep-laid, deep-rooted, deep-seated, deep-set,
   deep-settled, dyed-in-the-wool, embedded, embossed, engrafted,
   engraved, entrenched, esoteric, established, etched, fast,
   firmly established, fixed, graven, immanent, implicit, impressed,
   imprinted, inalienable, incorrigible, inculcated,
   indelibly impressed, indwelling, infixed, ingrained, ingrown,
   inherent, inner, instilled, internal, intrinsic, inveterate,
   inward, inwrought, irreducible, irreversible, long-established,
   old-line, on a rock, on bedrock, private, resident, rooted, secret,
   set, settled, settled in habit, stabilized, subjective, thorough,
   unalienable, unchallengeable, unquestionable, vested,
   well-established, well-founded, well-grounded, well-set,
   well-settled