Artificial intelligent assistant

acrostical

acrostical, a. rare.
  (əˈkrɒstɪkəl)
  Also acrostichal.
  [f. acrostic a.1 + -al1.]
  Of the nature of, consisting of, or in the form of an acrostic.

1843 J. Holland Psalmists Brit. I. 104 The whole Bible is abridged in a sort of scheme of acrostical mnemonics. 1887 Lupton in W. Smith's Dict. Chr. Biog. IV. 648/1 The Eighth Book, in acrostichal verse. 1894 Athenæum 28 July 128/3 Chaucer's ‘A B C’, a curious acrostical prayer ‘like Psalm cxviii’.

Oxford English Dictionary

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