Artificial intelligent assistant

sinet

sinet Obs.
  Also 6 synat, synet, senett.
  [a. OF. sinet, var. of signet signet n.]
  A signet.

c 1440 Gesta Rom. xlviii. 213 (Harl. MS.), He openid hit, & sawe þerein letters selid withe the sinet of þe Emperoure. 1502 Croscombe Churchw. Acc. (Somerset Rec. Soc.) 25 A ryng of sylver and gylt and a synat of sylver. 1530 Palsgr. 187 Signet, a synet. 1554 Machyn Diary (Camden) 51 Ther was a man..hangyd, dran, and quartered, for conterffeyting the quen senett.

Oxford English Dictionary

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