Artificial intelligent assistant

descern

descern desces, -ceise, descharge, descide, descipher, descition,
  obs. ff. discern (decern), decease, discharge, decide, decipher, decision.

1644 Prynne & Walker Fiennes' Trial 118 The supreame Councell of the Realme to whose descition it belongeth.

Oxford English Dictionary

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