[1] : The Collaborative International Dictionary of English v.0.48

joke \joke\, v. i. l. jocari.
   to do something for sport, or as a joke; to be merry in words
   or actions; to jest.
   1913 webster

         he laughed, shouted, joked, and swore.   --macaulay.

   syn: to jest; sport; rally; banter. see jest.
        1913 webster
see also:
jest 

[2] : The Collaborative International Dictionary of English v.0.48

joke \joke\, v. t. imp.  p. p. joked; p. pr.  vb. n.
   joking.
   to make merry with; to make jokes upon; to rally; to banter;
   as, to joke a comrade.
   1913 webster
see also:
joked joking 

[3] : The Collaborative International Dictionary of English v.0.48

joke \joke\, n. l. jocus. cf jeopardy, jocular, juggler.
   1913 webster
   1. something said for the sake of exciting a laugh; something
      witty or sportive commonly indicating more of hilarity or
      humor than jest; a jest; a witticism; as, to crack
      good-natured jokes.
      1913 webster

            and gentle dullness ever loves a joke. --pope.
      1913 webster

            or witty joke our airy senses moves
            to pleasant laughter.                 --gay.
      1913 webster

   2. something not said seriously, or not actually meant;
      something done in sport.
      1913 webster

            inclose whole downs in walls, 't is all a joke.
                                                  --pope.
      1913 webster

   in joke, in jest; sportively; not meant seriously.

   practical joke. see under practical.
      1913 webster
see also:
jeopardy jocular juggler in joke practical joke practical 

[4] : WordNet (r) 2.0

joke
     n 1: a humorous anecdote or remark intended to provoke laughter;
          "he told a very funny joke"; "he knows a million gags";
          "thanks for the laugh"; "he laughed unpleasantly at
          hisown jest"; "even a schoolboy's jape is supposed to
          have some ascertainable point" syn: gag, laugh, jest,
           jape
     2: activity characterized by good humor syn: jest, jocularity
     3: a ludicrous or grotesque act done for fun and amusement
        syn: antic, prank, trick, caper, put-on
     4: a triviality not to be taken seriously; "i regarded his
        campaign for mayor as a joke"
     v 1: tell a joke; speak humorously; "he often jokes even when he
          appears serious" syn: jest
     2: act in a funny or teasing way syn: jest
see also:
gag laugh jest jape jocularity antic 
prank trick caper put-on 

[5] : Moby Thesaurus II by Grady Ward, 1.0

188 moby thesaurus words for "joke":
   a continental, a curse, a damn, a darn, a hoot, absurdity,
   anecdote, antic, badinage, bagatelle, banter, bauble,
   be merry with, bean, belly laugh, bibelot, bijouterie, bit,
   blue story, bon mot, brass farthing, buffoon, burlesque, butt,
   button, byword, byword of reproach, caper, caricature, cent, chaff,
   crack, crack a joke, crack wise, curio, derision, dido, dirty joke,
   dirty story, double entendre, drollery, dupe, ethnic joke,
   exchange, facetiousness, fair game, farce, farthing, feather, fig,
   figure of fun, fleabite, fleer at, folderol, fool, fooling,
   fooling around, fribble, frippery, frolic, fun, funny story, gag,
   game, gaud, gazingstock, gewgaw, gibe at, gimcrack, give-and-take,
   goat, good one, good story, good-natured banter, hair, halfpenny,
   harmless teasing, haze, hill of beans, howler, humor, humorousness,
   jape, jest, jestbook, jestingstock, jive, jocoseness, jocularity,
   jolly, josh, kickshaw, kid, kid around, kidding, kidding around,
   knickknack, knickknackery, laugh, laughingstock, make a funny,
   make fun, make fun of, minikin, mock, mockery, molehill, monkey,
   monkeyshine, needle, panic, parody, peppercorn, persiflage,
   picayune, pilgarlic, pin, pinch of snuff, pinprick, play,
   play on words, pleasantry, point, poke fun at, prank, pun, put on,
   quip, quiz, rag, raillery, rally, rallying, rap, razz, red cent,
   repartee, rib, rib tickler, ride, ridicule, riot, roast,
   row of pins, rush, sally, sarcasm, scintillate, scoff at, scream,
   shit, sick joke, sidesplitter, sight gag, snap, sneeshing, sou,
   sparkle, sport, stock, story, straw, target, taunt, tease, toy,
   travesty, trifle, trinket, triviality, tuppence, twit, two cents,
   twopence, utter a mot, victim, visual joke, waggery, wheeze,
   whim-wham, wisecrack, wit, witticism, wittiness, wordplay, wow,
   yak, yarn

Joke >> J Words
Joke, definition of term: Joke
joke_pag1.html

Practical Joke >> P Words
Practical Joke, definition of term: Practical Joke
practical+joke_pag1.html