The Collaborative International Dictionary of English v.0.48:

Diversified \Di*ver"si*fied\, a.
   Distinguished by various forms, or by a variety of aspects or
   objects; variegated; as, diversified scenery or landscape.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Diversify \Di*ver"si*fy\, v. t. [imp. & p. p. Diversified; p.
   pr. & vb. n. Diversifying.] [F. diversifier, LL.
   diversificare, fr. L. diversus diverse + ficare (in comp.),
   akin to facere to make. See Diverse.]
   To make diverse or various in form or quality; to give
   variety to; to variegate; to distinguish by numerous
   differences or aspects.
   [1913 Webster]

         Separated and diversified on from another. --Locke.
   [1913 Webster]

         Its seven colors, that diversify all the face of
         nature.                                  --I. Taylor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

diversified
    adj 1: having variety of character or form or components; or
           having increased variety; "a diversified musical program
           ranging from classical to modern"; "diversified farming";
           "diversified manufacturing"; "diversified scenery";
           "diversified investments" [ant: undiversified]

Moby Thesaurus II by Grady Ward, 1.0:

93 Moby Thesaurus words for "diversified":
   assorted, at odds, at variance, capricious, changeable, changing,
   choppy, contrary, contrasted, contrasting, departing, deviating,
   deviative, deviatory, different, differentiated, differing,
   disaccordant, disagreeing, discordant, discrepant, discrete,
   discriminated, disjoined, disorderly, disparate, dissimilar,
   dissonant, distinct, distinguished, divaricate, divergent,
   diverging, divers, diverse, diversiform, erose, erratic,
   heterogeneous, impulsive, in disagreement, inaccordant,
   incompatible, incongruous, inconsistent, inconsonant, inconstant,
   inharmonious, irreconcilable, irregular, jagged, jerky, many,
   many and various, mercurial, motley, multifarious, mutable,
   nonconformist, nonstandard, nonuniform, of all sorts, pluralistic,
   poles apart, poles asunder, ragged, rough, separate, separated,
   several, spasmodic, sporadic, sundry, unconformable, unequable,
   unequal, uneven, unlike, unorthodox, unstable, unsteady,
   unsystematic, ununiform, variable, variant, varied, variegated,
   variform, various, varying, wavering, widely apart, worlds apart