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

initiatory \ini"tiatory\, n.
   an introductory act or rite. r.
   1913 webster

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

initiatory \ini"tiatory\, a.
   1. suitable for an introduction or beginning; introductory;
      prefatory; as, an initiatory step. --bp. hall.
      1913 webster

   2. tending or serving to initiate; introducing by
      instruction, or by the use and application of symbols or
      ceremonies; elementary; rudimentary.
      1913 webster

            some initiatory treatises in the law. --herbert.
      1913 webster

            two initiatory rites of the same general import can
            not exist together.                   --j. m. mason.
      1913 webster

[3] : WordNet (r) 2.0

initiatory
     adj : serving to set in motion; "the magazine's inaugural issue";
           "the initiative phase in the negotiations"; "an
           initiatory step toward a treaty"; "his first or
           maiden speech in congress"; "the liner's maiden
           voyage" syn: inaugural, initiative, first, maiden
see also:
inaugural initiative first maiden 

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

92 moby thesaurus words for "initiatory":
   abecedarian, aboriginal, antecedent, antenatal, anterior,
   autochthonous, autodidactic, baptismal, beginning, budding, chief,
   coeducational, creative, cultural, didactic, disciplinary,
   edifying, educating, educational, educative, elemental, elementary,
   embryonic, enlightening, exhortatory, exordial, fetal, first,
   foremost, formative, foundational, fundamental, gestatory,
   headmost, homiletic, hortatory, illuminating, in embryo,
   in its infancy, in the bud, inaugural, inceptive, inchoate,
   inchoative, incipient, incunabular, infant, infantile, informative,
   initial, initiative, instructive, introductive, introductory,
   inventive, leading, lecturing, nascent, natal, original,
   parturient, postnatal, preaching, precedent, preceding, preceptive,
   precessional, precursory, prefatory, pregnant, preliminary,
   preludial, prelusive, prenatal, preparatory, prevenient, primal,
   primary, prime, primeval, primitive, primogenial, prior,
   procreative, proemial, propaedeutic, rudimental, rudimentary,
   self-teaching, teaching, tuitionary, ur

Initiatory >> I Words
Initiatory, definition of term: Initiatory
initiatory_pag1.html