The Collaborative International Dictionary of English v.0.48:

Revel \Rev"el\, n. (Arch.)
   See Reveal. [R.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Revel \Rev"el\, n. [OF. revel rebellion, disorder, feast, sport.
   See Revel, v. i.]
   A feast with loose and noisy jollity; riotous festivity or
   merrymaking; a carousal.
   [1913 Webster]

         This day in mirth and revel to dispend. --Chaucer.
   [1913 Webster]

         Some men ruin . . . their bodies by incessant revels.
                                                  --Rambler.
   [1913 Webster]

   Master of the revels, Revel master. Same as Lord of
      misrule, under Lord.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Reveal \Re*veal"\, n.
   1. A revealing; a disclosure. [Obs.]
      [1913 Webster]

   2. (Arch.) The side of an opening for a window, doorway, or
      the like, between the door frame or window frame and the
      outer surface of the wall; or, where the opening is not
      filled with a door, etc., the whole thickness of the wall;
      the jamb. [Written also revel.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Revel \Rev"el\, v. i. [imp. & p. p. Reveledor Revelled; p.
   pr. & vb. n. Reveling or Revelling.] [OF. reveler to
   revolt, rebel, make merry, fr. L. rebellare. See Rebel.]
   1. To feast in a riotous manner; to carouse; to act the
      bacchanalian; to make merry. --Shak.
      [1913 Webster]

   2. To move playfully; to indulge without restraint. "Where
      joy most revels." --Shak.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Revel \Re*vel"\, v. t. [L. revellere; re- + vellere to pluck,
   pull.]
   To draw back; to retract. [Obs.] --Harvey.
   [1913 Webster]

WordNet (r) 3.0 (2006):

revel
    n 1: unrestrained merrymaking [syn: revel, revelry]
    v 1: take delight in; "he delights in his granddaughter" [syn:
         delight, enjoy, revel]
    2: celebrate noisily, often indulging in drinking; engage in
       uproarious festivities; "The members of the wedding party
       made merry all night"; "Let's whoop it up--the boss is gone!"
       [syn: revel, racket, make whoopie, make merry, make
       happy, whoop it up, jollify, wassail]

Moby Thesaurus II by Grady Ward, 1.0:

156 Moby Thesaurus words for "revel":
   adore, anniversaries, appreciate, bacchanal, ball, banquet,
   bask in, bat, be pleased with, bender, binge, bout, bust, caper,
   caracole, carnival, carol, carousal, carouse, celebrate,
   celebrating, celebration, ceremony, chirp, chirrup, clap hands,
   commemoration, crow over, cut loose, dance, debauch, delight,
   delight in, derive pleasure from, devour, dressing ship,
   drinking bout, eat up, enjoy, escapade, exult, fanfare,
   fanfaronade, feast, feast on, festival, festivity, fete, fling,
   flourish of trumpets, freak out on, frisk, frolic, gaiety, gala,
   gambol, get high on, gloat over, glory, glory in, groove on, hell,
   hell around, high jinks, holiday, indulge in, jamboree, jollify,
   jollity, jolly, joy, joyance, jubilate, jubilation, jubilee,
   lap up, lark, let go, let loose, let off steam, like, lilt,
   live it up, love, luxuriate in, mad round, make merry,
   make whoopee, marking the occasion, memorialization, memory,
   merriment, merrymaking, observance, orgy, ovation, party, ploy,
   pub-crawl, raise hell, randan, randy, regale, regalement, rejoice,
   rejoice in, rejoicing, religious rites, relish, remembrance,
   revel in, reveling, revelment, revelry, riot, riot in, rite,
   ritual observance, roister, rollick, romp, round of pleasures,
   salute, salvo, saturnalia, savor, see life, sing, skip,
   skip for joy, skylark, skylarking, smack the lips,
   solemn observance, solemnization, spree, step out, swim in,
   take pleasure in, tear, testimonial, testimonial banquet,
   testimonial dinner, toast, toot, treat, tribute, triumph,
   wallow in, wanton, wassail, welter, whistle, whoop it up, whoopee,
   wingding