The Collaborative International Dictionary of English v.0.48:

Insinuate \In*sin"u*ate\, v. t. [imp. & p. p. Insinuated; p.
   pr. & vb. n. Insinuating.] [L. insinuatus, p. p. of
   insinuareto insinuate; pref. in- in + sinus the bosom. See
   Sinuous.]
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   1. To introduce gently or slowly, as by a winding or narrow
      passage, or a gentle, persistent movement.
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            The water easily insinuates itself into, and
            placidly distends, the vessels of vegetables.
                                                  --Woodward.
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   2. To introduce artfully; to infuse gently; to instill.
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            All the art of rhetoric, besides order and
            clearness, are for nothing else but to insinuate
            wrong ideas, move the passions, and thereby mislead
            the judgment.                         --Locke.
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            Horace laughs to shame all follies and insinuates
            virtue, rather by familiar examples than by the
            severity of precepts.                 --Dryden.
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   3. To hint; to suggest by remote allusion; -- often used
      derogatorily; as, did you mean to insinuate anything?
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   4. To push or work (one's self), as into favor; to introduce
      by slow, gentle, or artful means; to ingratiate; -- used
      reflexively.
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            He insinuated himself into the very good grace of
            the Duke of Buckingham.               --Clarendon.

   Syn: To instill; hint; suggest; intimate.
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