sagaciously

From sagacious +‎ -ly.

sagaciously (comparative more sagaciously, superlative most sagaciously)

1. In a sagacious manner, in a way that is clever, shrewd, observant, keen of intellect or discernment, cunning or with ability and aptitude; sagely.
   • 1748, [Samuel Richardson], “Letter [HTTP://NAME.UMDL.UMICH.EDU/004835420.0001.003 LETTER 37]”, in Clarissa. Or, The History of a Young Lady: […], volume III, London: […] S[amuel] Richardson;  […], →OCLC, pages 189-190:

     Who could forbear smiling, to see my charmer, like a farcical dean and chapter, choose what was before chosen for her; and sagaciously (as they go in form to prayers, that God would direct their choice) pondering upon the different proposals, as if she would make me believe, she has a mind for some other?

   • 1851 November 14, Herman Melville, “Chapter 130”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC:

     But if these suspicions were really his, he sagaciously refrained from verbally expressing them, however his actions might seem to hint them.

   • 1874–1876 (date written), Lewis Carroll [pseudonym; Charles Lutwidge Dodgson], “Fit the Fit the Fourth.⁠ The Hunting.”, in The Hunting of the Snark […], London: Macmillan and Co., published March 1876, →OCLC:

     “Introduce me, now there’s a good fellow,” he said,
     “If we happen to meet it together!”
     And the Bellman, sagaciously nodding his head,
     Said “That must depend on the weather.”

   • 1926 November 8, “Flame but no Fire”, in Time:

     At present Joseph Stalin, astute, sagaciously “conservative,” has seen fit to squelch such activities.