Artificial intelligent assistant

substant

substant, a. and n. rare.
  (ˈsʌbstənt)
  [ad. L. substans, -ant-, pr. pple. of substāre (see substance).]
  A. adj.
  1. Substantial; subsistent.

1660 Stanley Hist. Philos. ix. ii. (1687) 571/1 The Pythagoreans reduce all Beings, subsistent or substant, immediatly to Idæa's which truly are. 1838 J. E. Reade Italy i. xxv, A substant and eternal memory.

  2. Underlying.

1883 Century Mag. XXVII. 146 Its [sc. a glacier's] substant ice curls freely.

   B. n. A subsisting thing. Obs.

1597 J. Payne Royal Exch. 24 The substants of bodie and soule have nothinge commune with this spirituall mariage.

Oxford English Dictionary

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