Artificial intelligent assistant

supersessive

supersessive, a.
  (s(j)uːpəˈsɛsɪv)
  [f. L. supersess-, pa. ppl. stem of supersedēre to supersede + -ive.]
  Having the quality or character of superseding; taking the place of something or some one displaced.

1817 G. S. Faber Eight Diss. (1845) I. 170 The name Russia..instead of being a modern appellation supersessive of Muscovy,..is one of very remote antiquity. 1881 Fairbairn Life Christ vii. 117 A new faith supersessive of the old.

  So superˈsessor, = superseder; superˈsessory a. = supersessive.

1883 Fairbairn City of God ii. iii. (1886) 194 Schools that have denied God have had to coin supersessory and substitutive terms, like ‘Substance’ or ‘Force’, ‘The Unknown’ or ‘The Unconscious’. 1894 Q. Rev. Oct. 567 His supersessor was only known as a youthful nobleman.

Oxford English Dictionary

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