The Collaborative International Dictionary of English v.0.48:

Derive \De*rive"\, v. i.
   To flow; to have origin; to descend; to proceed; to be
   deduced. --Shak.
   [1913 Webster]

         Power from heaven
         Derives, and monarchs rule by gods appointed. --Prior.
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The Collaborative International Dictionary of English v.0.48:

Derive \De*rive"\, v. t. [imp. & p. p. Derived; p. pr. & vb.
   n. Deriving.] [F. d['e]river, L. derivare; de- + rivus
   stream, brook. See Rival.]
   1. To turn the course of, as water; to divert and distribute
      into subordinate channels; to diffuse; to communicate; to
      transmit; -- followed by to, into, on, upon. [Obs.]
      [1913 Webster]

            For fear it [water] choke up the pits . . . they
            [the workman] derive it by other drains. --Holland.
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            Her due loves derived to that vile witch's share.
                                                  --Spenser.
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            Derived to us by tradition from Adam to Noah. --Jer.
                                                  Taylor.
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   2. To receive, as from a source or origin; to obtain by
      descent or by transmission; to draw; to deduce; --
      followed by from.
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   3. To trace the origin, descent, or derivation of; to
      recognize transmission of; as, he derives this word from
      the Anglo-Saxon.
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            From these two causes . . . an ancient set of
            physicians derived all diseases.      --Arbuthnot.
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   4. (Chem.) To obtain one substance from another by actual or
      theoretical substitution; as, to derive an organic acid
      from its corresponding hydrocarbon.

   Syn: To trace; deduce; infer.
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WordNet (r) 3.0 (2006):

derive
    v 1: reason by deduction; establish by deduction [syn: deduce,
         infer, deduct, derive]
    2: obtain; "derive pleasure from one's garden" [syn: derive,
       gain]
    3: come from; "The present name derives from an older form"
    4: develop or evolve from a latent or potential state [syn:
       derive, educe]
    5: come from; be connected by a relationship of blood, for
       example; "She was descended from an old Italian noble
       family"; "he comes from humble origins" [syn: derive,
       come, descend]

Moby Thesaurus II by Grady Ward, 1.0:

95 Moby Thesaurus words for "derive":
   accept, acquire, admit, arouse, arrive at, assume, bag,
   be seized of, bring forth, bring out, bring to light, call forth,
   call out, call up, capture, catch, collect, come by, come in for,
   come into, conclude, contract, corral, cull, deduce, derive from,
   develop, drag down, drag out, draw, draw a conclusion,
   draw an inference, draw forth, draw from, draw out, earn, educe,
   elaborate, elicit, emanate from, enter into possession, evoke,
   evolve, excogitate, extract, fetch, find, flow from, formulate,
   gain, gather, get, get from, get out of, glean, harvest, have,
   have coming in, induce, infer, issue from, judge, make, net,
   obtain, proceed from, procure, pull down, put, reach, reap, reason,
   reason that, receive, rouse, sack, score, secure, spring from,
   stem from, stimulate, summon forth, summon up, take,
   take as proved, take in, take on, take over, wangle, wangle out of,
   win, winkle out, winnow, worm out, worm out of