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]

Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "emanate":
   accrue from, arise, arise from, attend, bail out, be contingent on,
   be due to, birth, break cover, break forth, bud from, burst forth,
   come, come after, come forth, come from, come out, come out of,
   debouch, depend on, derive from, descend from, diffuse, discharge,
   disembogue, disperse, displace, disseminate, effuse, emanate from,
   emerge, emerge from, emit, ensue, ensue from, erupt, exhale,
   extrude, exude, flow, flow from, follow after, follow from,
   follow up, germinate from, give off, give out, go after, grow from,
   grow out of, hang on, hinge on, initiate, issue, issue forth,
   issue from, jump out, ooze, originate, originate in, overtake,
   proceed, proceed from, protrude, put out, radiate, ray, replace,
   result, rise, sally, sally forth, scatter, send forth, send out,
   spread, spring from, sprout from, stem, stem from, succeed,
   supervene, surface, track, trail, turn on