The Collaborative International Dictionary of English v.0.48:

Conjure \Con*jure"\ (k[o^]n*j[=u]r"), v. t. [imp. & p. p.
   Conjured (-j[=u]rd"); p. pr. & vb. n. Conjuring.] [F.
   conjurer, fr. L. conjurare to swear together, to conspire;
   con- + jurare to swear. See Jury.]
   To call on or summon by a sacred name or in solemn manner; to
   implore earnestly; to adjure.
   [1913 Webster]

         I conjure you, let him know,
         Whate'er was done against him, Cato did it. --Addison.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Conjure \Con*jure"\, v. i.
   To combine together by an oath; to conspire; to confederate.
   [A Latinism]
   [1913 Webster]

         Drew after him the third part of Heaven's sons
         Conjured against the Highest.            --Milton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Conjure \Con"jure\, v. t.
   To affect or effect by conjuration; to call forth or send
   away by magic arts; to excite or alter, as if by magic or by
   the aid of supernatural powers.
   [1913 Webster]

         The habitation which your prophet . . . conjured the
         devil into.                              --Shak.
   [1913 Webster]

   To conjure up, or make visible, as a spirit, by magic arts;
      hence, to invent; as, to conjure up a story; to conjure up
      alarms.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Conjure \Con"jure\, v. i.
   To practice magical arts; to use the tricks of a conjurer; to
   juggle; to charm.
   [1913 Webster]

         She conjures; away with her.             --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

conjure
    v 1: summon into action or bring into existence, often as if by
         magic; "raise the specter of unemployment"; "he conjured
         wild birds in the air"; "call down the spirits from the
         mountain" [syn: raise, conjure, conjure up, invoke,
         evoke, stir, call down, arouse, bring up, put
         forward, call forth]
    2: ask for or request earnestly; "The prophet bid all people to
       become good persons" [syn: bid, beseech, entreat,
       adjure, press, conjure]
    3: engage in plotting or enter into a conspiracy, swear
       together; "They conspired to overthrow the government" [syn:
       conspire, cabal, complot, conjure, machinate]

Moby Thesaurus II by Grady Ward, 1.0:

100 Moby Thesaurus words for "conjure":
   adjure, appeal, appeal to, bamboozle, beg, beguile, beseech,
   betray, bid come, bluff, brace, cajole, call, call away, call back,
   call for, call for help, call forth, call in, call on, call out,
   call together, call up, call up spirits, call upon, cheat on,
   circumvent, cite, clamor for, conjure up, conjure up spirits,
   convene, convoke, crave, cry for, cry on, cry to, deceive, delude,
   demand, diddle, double-cross, dupe, entreat, evoke, forestall,
   gammon, get around, gull, hoax, hocus-pocus, hornswaggle, humbug,
   impetrate, implore, importune, imprecate, indent, invoke, juggle,
   kneel to, let down, mock, muster, muster up, obtest, order up,
   outmaneuver, outreach, outsmart, outwit, overreach, page, pigeon,
   play one false, plead, plead for, pray, preconize,
   put something over, raise, raise ghosts, recall, requisition,
   run to, send after, send for, serve, snow, string along, subpoena,
   summon, summon forth, summon spirits, summon up, summons,
   supplicate, take in, trick, two-time