The Collaborative International Dictionary of English v.0.48:

Ravish \Rav"ish\ (r[a^]v"[i^]sh), v. t. [imp. & p. p. Ravished
   (-[i^]sht); p. pr. & vb. n. Ravishing.] [OE. ravissen, F.
   ravir, fr. L. rapere to snatch or tear away, to ravish. See
   Rapacious, Rapid, and -ish.]
   1. To seize and carry away by violence; to snatch by force.
      [1913 Webster]

            These hairs which thou dost ravish from my chin
            Will quicken, and accuse thee.        --Shak.
      [1913 Webster]

            This hand shall ravish thy pretended right.
                                                  --Dryden.
      [1913 Webster]

   2. To transport with joy or delight; to delight to ecstasy.
      "Ravished . . . for the joy." --Chaucer.
      [1913 Webster]

            Thou hast ravished my heart.          --Cant. iv. 9.
      [1913 Webster]

   3. To have carnal knowledge of (a woman) by force, and
      against her consent; to rape. --Shak.
      [1913 Webster]

   Syn: To transport; entrance; enrapture; delight; violate;
        deflower; force.
        [1913 Webster]

WordNet (r) 3.0 (2006):

ravish
    v 1: force (someone) to have sex against their will; "The woman
         was raped on her way home at night" [syn: rape, ravish,
         violate, assault, dishonor, dishonour, outrage]
    2: hold spellbound [syn: enchant, enrapture, transport,
       enthrall, ravish, enthral, delight] [ant:
       disenchant, disillusion]

Moby Thesaurus II by Grady Ward, 1.0:

98 Moby Thesaurus words for "ravish":
   abuse, adulterate, alloy, assault sexually, becharm, betray,
   bewitch, canker, captivate, carry away, charm, cheapen, coarsen,
   confound, contaminate, corrupt, debase, debauch, deceive, defile,
   deflorate, deflower, degenerate, degrade, delectate, delight,
   denature, deprave, depredate, desecrate, despoil, devalue,
   devirginate, distort, enchant, enrapture, enravish, enthrall,
   entrance, fascinate, fleece, forage, foray, force, freak out,
   freeboot, gut, imparadise, infect, knock dead, knock out,
   lead astray, loot, maraud, mislead, misuse, outrage, pervert,
   pillage, plunder, poison, pollute, possess sexually, prey on,
   prostitute, raid, ransack, rape, ravage, raven, reive, rifle, ruin,
   sack, seduce, send, slay, soil, spellbind, spoil, spoliate, sully,
   sweep, taint, take, thrill, tickle, tickle pink, titillate, trance,
   transport, twist, ulcerate, violate, vitiate, vulgarize, warp,
   wow