The Collaborative International Dictionary of English v.0.48:

Inchoate \In"cho*ate\, a. [L. inchoatus, better incohatus, p. p.
   of incohare to begin.]
   Recently, or just, begun; beginning; partially but not fully
   in existence or operation; existing in its elements;
   incomplete. -- In"cho*ate*ly, adv.
   [1913 Webster]

         Neither a substance perfect, nor a substance inchoate.
                                                  --Raleigh.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Inchoate \In"cho*ate\, v. t.
   To begin. [Obs.] --Dr. H. More.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

152 Moby Thesaurus words for "inchoate":
   abecedarian, aboriginal, aimless, aleatoric, aleatory, amorphic,
   amorphous, anarchic, antenatal, autochthonous, baggy, beginning,
   blobby, blurred, blurry, broad, budding, capricious, casual,
   chance, chancy, chaotic, characterless, confused, creative,
   desultory, disarticulated, disconnected, discontinuous, disjointed,
   disjunct, disordered, disorderly, dispersed, disproportionate,
   elemental, elementary, embryonic, erratic, featureless, fetal,
   fitful, foggy, formative, formless, foundational, frivolous,
   fundamental, fuzzy, general, gestatory, gratuitous, haphazard,
   hazy, hit-or-miss, ill-defined, immethodical, imprecise, in embryo,
   in its infancy, in the bud, inaccurate, inaugural, inceptive,
   inchoative, incipient, incoherent, incunabular, indecisive,
   indefinable, indefinite, indeterminable, indeterminate,
   indiscriminate, indistinct, inexact, infant, infantile, inform,
   initial, initiative, initiatory, introductory, inventive,
   irregular, kaleidoscopic, kindred, lax, loose, lumpen, meaningless,
   misshapen, misty, nascent, natal, nondescript, nonspecific,
   nonsymmetrical, nonsystematic, nonuniform, obscure, orderless,
   original, parturient, planless, postnatal, pregnant, prenatal,
   primal, primary, prime, primeval, primitive, primogenial,
   procreative, promiscuous, random, rudimental, rudimentary,
   senseless, shadowed forth, shadowy, shapeless, spasmodic, sporadic,
   stochastic, straggling, straggly, sweeping, systemless, unarranged,
   unclassified, unclear, undefined, undestined, undetermined,
   undirected, ungraded, unjoined, unmethodical, unordered,
   unorganized, unplain, unsorted, unspecified, unsymmetrical,
   unsystematic, ununiform, ur, vague, veiled, wandering