[syn: knowing, knowledgeable, learned, lettered, well-educated, well-read]
The Collaborative International Dictionary of English v.0.48:
Know \Know\ (n[=o]), v. t. [imp. Knew (n[=u]); p. p. Known
   (n[=o]n); p. pr. & vb. n. Knowing.] [OE. knowen, knawen,
   AS. cn[aum]wan; akin to OHG. chn[aum]an (in comp.), Icel.
   kn[aum] to be able, Russ. znate to know, L. gnoscere,
   noscere, Gr. gighw`skein, Skr. jn[=a]; fr. the root of E.
   can, v. i., ken. [root]45. See Ken, Can to be able, and
   cf. Acquaint, Cognition, Gnome, Ignore, Noble,
   Note.]
   1. To perceive or apprehend clearly and certainly; to
      understand; to have full information of; as, to know one's
      duty.
      [1913 Webster]
            O, that a man might know
            The end of this day's business ere it come! --Shak.
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            There is a certainty in the proposition, and we know
            it.                                   --Dryden.
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            Know how sublime a thing it is
            To suffer and be strong.              --Longfellow.
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   2. To be convinced of the truth of; to be fully assured of;
      as, to know things from information.
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   3. To be acquainted with; to be no stranger to; to be more or
      less familiar with the person, character, etc., of; to
      possess experience of; as, to know an author; to know the
      rules of an organization.
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            He hath made him to be sin for us, who knew no sin.
                                                  --2 Cor. v.
                                                  21.
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            Not to know me argues yourselves unknown. --Milton.
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   4. To recognize; to distinguish; to discern the character of;
      as, to know a person's face or figure.
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            Ye shall know them by their fruits.   --Matt. vil.
                                                  16.
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            And their eyes were opened, and they knew him.
                                                  --Luke xxiv.
                                                  31.
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            To know
            Faithful friend from flattering foe.  --Shak.
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            At nearer view he thought he knew the dead.
                                                  --Flatman.
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   5. To have sexual intercourse with.
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            And Adam knew Eve his wife.           --Gen. iv. 1.
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   Note: Know is often followed by an objective and an
         infinitive (with or without to) or a participle, a
         dependent sentence, etc.
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               And I knew that thou hearest me always. --John
                                                  xi. 42.
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               The monk he instantly knew to be the prior. --Sir
                                                  W. Scott.
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               In other hands I have known money do good.
                                                  --Dickens.
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   To know how, to understand the manner, way, or means; to
      have requisite information, intelligence, or sagacity. How
      is sometimes omitted. " If we fear to die, or know not to
      be patient." --Jer. Taylor.
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The Collaborative International Dictionary of English v.0.48:
Knowing \Know"ing\, a.
   1. Skilful; well informed; intelligent; as, a knowing man; a
      knowing dog.
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            The knowing and intelligent part of the world.
                                                  --South.
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   2. Artful; cunning; as, a knowing rascal. [Colloq.]
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The Collaborative International Dictionary of English v.0.48:
Knowing \Know"ing\, n.
   Knowledge; hence, experience. " In my knowing." --Shak.
   [1913 Webster]
         This sore night
         Hath trifled former knowings.            --Shak.
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WordNet (r) 3.0 (2006):
knowing
    adj 1: evidencing the possession of inside information [syn:
           knowing, wise(p), wise to(p)]
    2: characterized by conscious design or purpose; "intentional
       damage"; "a knowing attempt to defraud"; "a willful waste of
       time" [syn: intentional, knowing]
    3: alert and fully informed; "a knowing collector of rare
       books"; "surprisingly knowledgeable about what was going on"
       [syn: knowledgeable, knowing]
    4: highly educated; having extensive information or
       understanding; "knowing instructors"; "a knowledgeable
       critic"; "a knowledgeable audience" [syn: knowing,
       knowledgeable, learned, lettered, well-educated,
       well-read]
    n 1: a clear and certain mental apprehension
Moby Thesaurus II by Grady Ward, 1.0:
174 Moby Thesaurus words for "knowing":
   Byzantine, Machiavellian, Machiavellic, acute, advised, aimed,
   aimed at, alive, all-knowing, apperceptive, appercipient,
   apprehending, apprehensive, arch, artful, astute, awake, aware,
   blase, brainy, bright, brilliant, broad-minded, cagey, calculated,
   calculating, canny, clever, cognizant, comprehending, conceptive,
   conceptual, conscious, considered, conspiratorial, conspiratory,
   contemplated, conversant, cosmopolitan, cosmopolite, crafty,
   cunning, cute, deceitful, deep, deep-laid, deliberate, deliberated,
   designed, designing, devious, diplomatic, discerning, discursive,
   disenchanted, disillusioned, eloquent, envisaged, envisioned,
   experienced, expert, expressive, feline, foxy, gnostic, guileful,
   hep, ideational, ingenious, insidious, insightful, intellectual,
   intelligent, intended, intentional, inventive, knowledgable,
   knowledgeable, learned, mature, matured, meaningful, meant,
   meditated, mindful, mondaine, nimble-witted, noetic,
   not born yesterday, not so dumb, observant, of design, old,
   omniscient, pawky, perceptive, percipient, perspicacious, planned,
   politic, practiced, prehensile, private, profound, projected,
   proposed, purposed, purposeful, purposive, qualified, quick,
   quick-witted, rational, ready, reasonable, resourceful, ripe,
   ripened, sagacious, sage, sane, sapient, scheming, seasoned,
   secret, sensible, sentient, serpentine, sharp, sharp-witted,
   shifty, shrewd, significant, slick, slippery, sly, smart, smooth,
   snaky, sneaky, sophic, sophistical, sophisticate, sophisticated,
   stealthy, strategic, strong-minded, studied, subtile, subtle,
   supple, tactical, teleological, trickish, tricksy, tricky, tried,
   tried and true, understanding, veteran, vigilant, voluntary,
   vulpine, wary, watchful, well-informed, willful, wily, wise,
   wise as Solomon, witting, world-wise, worldly, worldly-wise