Artificial intelligent assistant

succedaneous

succeˈdaneous, a. Obs.
  [f. L. succēdāneus (succīdāneus), f. succēdĕre to succeed. Cf. F. succédané, It. succedaneo.]
  1. Taking, or serving in, the place of something else; acting as a succedaneum or substitute. Const. to (unto).
  In the 17th c. said esp. of medicinal applications or ingredients.

1646 Sir T. Browne Pseud. Ep. 114 He prescribeth the stones of the Otter, or River-dog, as succedaneous unto Castoreum. 1657 G. Starkey Helmont's Vindic. 295 By succedaneous secrets the same diseases may be restored, although not with the same speed or universality. 1686 A. Horneck Crucif. Jesus iii. 40 It being taken for granted that the Lord's Supper was succedaneous to the Passover. a 1722 Lisle Husb. (1757) 245 Being bit off, it has similar succedaneous parts. 1775 Johnson West. Isl. 302 The Islanders are obliged to content themselves with succedaneous means for many common purposes. 1802–12 Bentham Ration. Judic. Evid. (1827) IV. 122 In what cases..a succedaneous security shall be accepted at the hands of the plaintiff. 1816 Monthly Rev. LXXIX. 506 Some intelligent editor should undertake to re-engrave the old, and to insert in its proper place the succedaneous matter.

  2. Supplementary. rare.

1665 R. Scot's Discov. Witchcr. (title-p.), In two Books: The First by the aforesaid author: The Second now added in this Third Edition, as Succedaneous to the former. 1800 Bentham Corr. Wks. 1843 X. 345/2 If your succedaneous volumes should be as yet unbound. 1808Sc. Reform 38 In the succedaneous or supplemental plan.

Oxford English Dictionary

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