The Collaborative International Dictionary of English v.0.48:

Emanate \Em"a*nate\, v. i. [imp. & p. p. Emanated; p. pr. &
   vb. n. Emanating.] [L. emanare, emanatum, to emanate; e out
   + manare to flow, prob. for madnare, and akin to madere to be
   wet, drip, madidus wet, drenched, drunk, Gr. ?, ?, wet, ? to
   be wet, Skr. mad to boil, matta drunk. Cf. Emane.]
   [1913 Webster]
   1. To issue forth from a source; to flow out from more or
      less constantly; as, fragrance emanates from flowers.

   2. To proceed from, as a source or fountain; to take origin;
      to arise, to originate.
      [1913 Webster]

            That subsisting from of government from which all
            special laws emanate.                 --De Quincey.

   Syn: To flow; arise; proceed; issue; originate.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Emanate \Em"a*nate\, a.
   Issuing forth; emanant. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

emanate
    v 1: proceed or issue forth, as from a source; "Water emanates
         from this hole in the ground"
    2: give out (breath or an odor); "The chimney exhales a thick
       smoke" [syn: exhale, give forth, emanate]