The Collaborative International Dictionary of English v.0.48:

Abecedary \A`be*ce"da*ry\, n.
   A primer; the first principle or rudiment of anything. [R.]
   --Fuller.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Abecedarian \A`be*ce*da"ri*an\, Abecedary \A`be*ce"da*ry\, a.
   Pertaining to, or formed by, the letters of the alphabet;
   alphabetic; hence, rudimentary.
   [1913 Webster]

   Abecedarian psalms, hymns, etc., compositions in which
      (like the 119th psalm in Hebrew) distinct portions or
      verses commence with successive letters of the alphabet.
      --Hook.
      [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

28 Moby Thesaurus words for "abecedary":
   abecedarium, alphabet book, and arithmetic, battledore, casebook,
   elementary education, elements, exercise book, first steps, gradus,
   grammar, hornbook, initiation, introduction, manual,
   manual of instruction, primer, propaedeutic, reader, reading,
   rudiments, schoolbook, speller, spelling book, t, text, workbook,
   writing