Artificial intelligent assistant

standfast

standfast, a. and n. rare.
  (ˈstændfɑːst, -æ-)
  [f. stand v. (see 9 b, 23) + fast adv. Cf. holdfast.]
  A. adj. Stiff in opinion.

1716 M. Davies Athen. Brit. II. 369 Witness our own W. W. who sometimes seems very positive, and a standfast stickler for his Arianism even to Martyrdom.

  B. n. A fixed or stable position.

1846 Hawthorne Mosses II. ix. 162 It seems as if the whole world, both morally and physically, were detached from its old standfasts, and set in rapid motion.

Oxford English Dictionary

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