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

ceremonious \cer`emo"nious\, a. cf. f. c'er'emonieux, l.
   caerimoniosus.
   1. consisting of outward forms and rites; ceremonial.

   note: in this sense ceremonial is now preferred.
         1913 webster

               the ceremonious part of his worship. --south.
         1913 webster

   2. according to prescribed or customary rules and forms;
      devoted to forms and ceremonies; formally respectful;
      punctilious. "ceremonious phrases." --addison.
      1913 webster

            too ceremonious and traditional.      --shak.

   syn: formal; precise; exact. see formal.
        1913 webster
see also:
formal 

[2] : WordNet (r) 2.0

ceremonious
     adj : rigidly formal or bound by convention; "their ceremonious
           greetings did not seem heartfelt" syn: conventional
see also:
conventional 

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

54 moby thesaurus words for "ceremonious":
   high-church, attentive, baptismal, cap in hand, careful,
   ceremonial, chivalric, chivalrous, civil, conventional, correct,
   courteous, courtly, decorous, deferential, dignified, dutiful,
   eucharistic, formal, formular, formulary, gallant, grandiose,
   hieratic, honorific, imposing, impressive, knightly, liturgic,
   liturgistic, majestic, moving, old-fashioned, old-world, paschal,
   polite, pompous, proper, punctilious, regardful, respectful,
   ritual, ritualistic, sacerdotal, sacramental, sacramentarian,
   seemly, solemn, starchy, stately, stiff, striking, stuffy,
   well-mannered

Ceremonious >> C Words
Ceremonious, definition of term: Ceremonious
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