Artificial intelligent assistant

scintillous

scinˈtillous, a. rare.
  [f. L. scintilla spark + -ous.]
  Scintillating.

1826 Moore Mem. (1854) V. 49 The grand march of the line,..coming after the broken and scintillous verses that precede it. 1837 Richardson, Scintillant,..Scintillous.

  So scinˈtillously adv., so as to produce sparks.

a 1529 Skelton Bk. 3 Foles Wks. 1843 I. 203 Wyth theyr eyen beholdinge a trauers, of stomackes chaufed syntillously.

Oxford English Dictionary

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