The Collaborative International Dictionary of English v.0.48:

Docket \Dock"et\, n. [Dock to cut off + dim. suffix -et.]
   1. A small piece of paper or parchment, containing the heads
      of a writing; a summary or digest.
      [1913 Webster]

   2. A bill tied to goods, containing some direction, as the
      name of the owner, or the place to which they are to be
      sent; a label. --Bailey.
      [1913 Webster]

   3. (Law)
      (a) An abridged entry of a judgment or proceeding in an
          action, or register or such entries; a book of
          original, kept by clerks of courts, containing a
          formal list of the names of parties, and minutes of
          the proceedings, in each case in court.
      (b) (U. S.) A list or calendar of causes ready for hearing
          or trial, prepared for the use of courts by the
          clerks.
          [1913 Webster]

   4. A list or calendar of business matters to be acted on in
      any assembly.
      [1913 Webster]

   On the docket, in hand; in the plan; under consideration;
      in process of execution or performance. [Colloq.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Docket \Dock"et\, v. t. [imp. & p. p. Docketed; p. pr. & vb.
   n. Docketing.]
   1. To make a brief abstract of (a writing) and indorse it on
      the back of the paper, or to indorse the title or contents
      on the back of; to summarize; as, to docket letters and
      papers. --Chesterfield.
      [1913 Webster]

   2. (Law)
      (a) To make a brief abstract of and inscribe in a book;
          as, judgments regularly docketed.
      (b) To enter or inscribe in a docket, or list of causes
          for trial.
          [1913 Webster]

   3. To mark with a ticket; as, to docket goods.
      [1913 Webster]

WordNet (r) 3.0 (2006):

docket
    n 1: (law) the calendar of a court; the list of cases to be
         tried or a summary of the court's activities
    2: a temporally organized plan for matters to be attended to
       [syn: agenda, docket, schedule]
    v 1: place on the docket for legal action; "Only 5 of the 120
         cases docketed were tried"
    2: make a summary or abstract of a legal document and inscribe
       it in a list

Moby Thesaurus II by Grady Ward, 1.0:

230 Moby Thesaurus words for "docket":
   Domesday Book, account book, address book, adversaria, agenda,
   aide-memoire, album, annotation, annual, appointment calendar,
   appointment schedule, balance, balance the books, batting order,
   beadroll, bill, bill of fare, billhead, blank, blankbook, blotter,
   blueprint, book, book stamp, bookplate, brand, broad arrow, budget,
   cachet, cadastre, calendar, capitalize, card, carry, carry over,
   carte du jour, carve, cashbook, cast up accounts, catalog, census,
   census report, chalk, chalk up, charge off, check, check in,
   checklist, checkroll, chirograph, chronicle, classified catalog,
   close out, close the books, colophon, commonplace book,
   counterfoil, countermark, court calendar, credit, cut, daybook,
   debit, desk calendar, diary, diptych, document, dossier,
   dramatis personae, engagement book, engrave, enroll, enscroll,
   enter, entry, file, fill out, footnote, form, government mark,
   government stamp, grave, hallmark, head count, holograph,
   honor roll, impanel, imprint, incise, index, inscribe, insert,
   instrument, item, jot down, jotting, journal, journalize,
   jury list, jury panel, keep books, label, ledger, legal document,
   legal instrument, legal paper, letterhead, line up, lineup, list,
   list of agenda, log, logbook, logo, logotype, loose-leaf notebook,
   make a memorandum, make a note, make an entry, make out,
   marginal note, marginalia, mark down, masthead, matriculate, memo,
   memo book, memoir, memorandum, memorandum book, memorial,
   memory book, menu, minute, minutes, muster, muster roll,
   nose count, notation, note, note down, notebook, official document,
   order of business, pad, paper, papers, parchment, personal file,
   petty cashbook, place upon record, plate, playbill,
   pocket notebook, pocketbook, police blotter, poll, post, post up,
   price tag, program, program of operation, programma, property roll,
   prospectus, protocol, put down, put in writing, put on paper,
   put on tape, questionnaire, record, reduce to writing, register,
   registered trademark, registry, reminder, returns, roll, roll call,
   roster, rota, running head, running title, schedule, scholia,
   scholium, scrapbook, scratch pad, scrip, script, scroll, seal,
   set down, sigil, signet, slate, spiral notebook, stamp, sticker,
   strike a balance, stub, table, tablet, tabulate, tag, take down,
   tally, tape, tape-record, tax roll, ticket, timetable, title page,
   token, trade name, trademark, trademark name, triptych, videotape,
   workbook, writ, write, write down, write in, write out, write up,
   writing, writing tablet, yearbook



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

DOCKET, practice. A formal record of judicial proceedings.
     2. The docket should contain the names of the parties, and a minute of
every proceeding in the case. It is kept by the clerk or prothonotary of the
court. A sheriff's docket is not a record. 9 Serg. & R. 91. Docket is also
said to be a brief writing, on a small piece of paper or parchment,
containing the substance of a larger writing.