WordNet (r) 3.0 (2006):

situation comedy
    n 1: a humorous drama based on situations that might arise in
         day-to-day life [syn: situation comedy, sitcom]
    2: a humorous television program based on situations that could
       arise in everyday life [syn: situation comedy, sitcom]

Moby Thesaurus II by Grady Ward, 1.0:

137 Moby Thesaurus words for "situation comedy":
   Grand Guignol, Passion play, Thalia, Tom show, antimasque,
   arlequinade, audience success, ballet, black comedy, bomb,
   broad comedy, broadcast drama, burlesque, burlesque show, burletta,
   camp, charade, cliff hanger, closet drama, comedie bouffe,
   comedie larmoyante, comedie rosse, comedietta, comedy,
   comedy ballet, comedy drama, comedy of humors, comedy of ideas,
   comedy of intrigue, comedy of manners, comedy of situation,
   comedy relief, comic muse, comic opera, comic relief,
   critical success, dark comedy, daytime serial, dialogue,
   documentary drama, domestic comedy, drama, dramalogue,
   dramatic play, dramatic series, duodrama, duologue, epic theater,
   exode, experimental theater, extravaganza, failure, farce,
   farce comedy, flop, gasser, genteel comedy, giveaway, happening,
   harlequinade, high camp, hit, hit show, improvisational drama,
   legitimate drama, light comedy, low camp, low comedy, masque,
   melodrama, mime, minstrel show, miracle, miracle play, monodrama,
   monologue, morality, morality play, music drama, musical,
   musical comedy, musical revue, mystery, mystery play, opera,
   opera buffa, pageant, panel show, pantomime, pastoral,
   pastoral drama, piece, play, playlet, problem play, psychodrama,
   quiz show, radio drama, raw comedy, realistic comedy, review,
   revue, romantic comedy, satyr play, sensational play,
   sentimental comedy, serial, show, sitcom, sketch, skit, slapstick,
   slapstick comedy, soap, soap opera, sociodrama, spectacle,
   stage play, stage show, straight drama, success, suspense drama,
   tableau, tableau vivant, talk show, teleplay, television drama,
   television play, theater of cruelty, total theater, tragicomedy,
   variety show, vaudeville, vaudeville show, vehicle,
   word-of-mouth success, work