The Collaborative International Dictionary of English v.0.48:

Apparent \Ap*par"ent\, a. [F. apparent, L. apparens, -entis, p.
   pr. of apparere. See Appear.]
   1. Capable of being seen, or easily seen; open to view;
      visible to the eye; within sight or view.
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            The moon . . . apparent queen.        --Milton.
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   2. Clear or manifest to the understanding; plain; evident;
      obvious; known; palpable; indubitable.
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            It is apparent foul play.             --Shak.
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   3. Appearing to the eye or mind (distinguished from, but not
      necessarily opposed to, true or real); seeming; as the
      apparent motion or diameter of the sun.
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            To live on terms of civility, and even of apparent
            friendship.                           --Macaulay.
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            What Berkeley calls visible magnitude was by
            astronomers called apparent magnitude. --Reid.
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   Apparent horizon, the circle which in a level plain bounds
      our view, and is formed by the apparent meeting of the
      earth and heavens, as distinguished from the rational
      horizon.

   Apparent time. See Time.

   Heir apparent (Law), one whose to an estate is indefeasible
      if he survives the ancestor; -- in distinction from
      presumptive heir. See Presumptive.
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   Syn: Visible; distinct; plain; obvious; clear; certain;
        evident; manifest; indubitable; notorious.
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The Collaborative International Dictionary of English v.0.48:

Apparent \Ap*par"ent\, n.
   An heir apparent. [Obs.]
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         I'll draw it [the sword] as apparent to the crown.
                                                  --Shak.
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WordNet (r) 3.0 (2006):

apparent
    adj 1: clearly revealed to the mind or the senses or judgment;
           "the effects of the drought are apparent to anyone who
           sees the parched fields"; "evident hostility"; "manifest
           disapproval"; "patent advantages"; "made his meaning
           plain"; "it is plain that he is no reactionary"; "in
           plain view" [syn: apparent, evident, manifest,
           patent, plain, unmistakable]
    2: appearing as such but not necessarily so; "for all his
       apparent wealth he had no money to pay the rent"; "the
       committee investigated some apparent discrepancies"; "the
       ostensible truth of their theories"; "his seeming honesty"
       [syn: apparent(a), ostensible, seeming(a)]

Moby Thesaurus II by Grady Ward, 1.0:

135 Moby Thesaurus words for "apparent":
   Barmecidal, Barmecide, airy, apparitional, appearing, autistic,
   beholdable, chimeric, clear, clear as crystal, colorable, colored,
   conceivable, conspicuous, cortical, credible, crystal-clear,
   deceptive, delusional, delusionary, delusive, delusory, dereistic,
   detectable, discernible, disclosed, distinct, dreamlike, dreamy,
   epidermic, erroneous, evident, exomorphic, explicit, exposed,
   exposed to view, express, exterior, external, extrinsic,
   factitious, fake, fallacious, false, fantastic, fringe, gilded,
   hanging out, illusional, illusionary, illusive, illusory,
   imaginary, in evidence, in full view, in plain sight, in view,
   indisputable, indubitable, insight, manifest, marked, meretricious,
   misleading, naked, noticeable, observable, obvious, open,
   open to view, open-and-shut, ostensible, out, outcropping, outer,
   outermost, outlying, outmost, outside, outstanding, outward,
   outward-facing, palpable, patent, perceivable, perceptible,
   peripheral, perspicuous, phantasmagoric, phantasmal, phantom,
   plain, plain as day, plausible, ponderable, prominent, pseudo,
   public, reasonable, recognizable, revealed, roundabout, seeable,
   seeming, self-deceptive, self-deluding, self-evident,
   self-explaining, self-explanatory, sham, showing, specious,
   spectral, superficial, supposititious, surface, tangible, tinsel,
   to be seen, unactual, unambiguous, unclouded, unconcealed,
   undisguised, unequivocal, unfounded, unhidden, unmistakable,
   unreal, unsubstantial, viewable, visible, visionary, visual,
   witnessable



Bouvier's Law Dictionary, Revised 6th Ed (1856):

APPARENT. That which is manifest what is proved. It is required that all
things upon which a court must pass, should be made to appear, if matter in
pays, under oath if matter of record, by the record. It is a rule that those
things which do not appear, are to be considered as not existing de non
apparentibus et non existentibus eadem est ratio. Broom's Maxims, 20, What
does not appear, does not exist; quod non apparet, non est.