Intelligent

intelligent
    adj 1: having the capacity for thought and reason especially to
           a high degree; "is there intelligent life in the
           universe?"; "an intelligent question" [ant: {stupid},
           {unintelligent}]
    2: possessing sound knowledge; "well-informed readers" [syn:
       {intelligent}, {well-informed}]
    3: exercising or showing good judgment; "healthy scepticism"; "a
       healthy fear of rattlesnakes"; "the healthy attitude of
       French laws"; "healthy relations between labor and
       management"; "an intelligent solution"; "a sound approach to
       the problem"; "sound advice"; "no sound explanation for his
       decision" [syn: {healthy}, {intelligent}, {levelheaded},
       {level-headed}, {sound}]
    4: endowed with the capacity to reason [syn: {intelligent},
       {reasoning(a)}, {thinking(a)}]
    

Intelligent \In*tel"li*gent\, a. [L. intelligens, intellegens,
   -entis, p. pr. of intelligere, intellegere, to perceive;
   inter between + legere to gather, collect, choose: cf. F.
   intelligent. See {Legend}.]
   [1913 Webster]
   1. Endowed with the faculty of understanding or reason; as,
      man is an intelligent being.
      [1913 Webster]

   2. Possessed of a high level of intelligence, education, or
      judgment; knowing; sensible; skilled; exhibiting high
      intelligence; as, an intelligent young man; an intelligent
      architect; an intelligent answer.
      [1913 Webster]

   3. Cognizant; aware; communicative. [Obs.]
      [1913 Webster]

            Intelligent of seasons.               --Milton.
      [1913 Webster]

            Which are to France the spies and speculations
            Intelligent of our state.             --Shak.

   Syn: Sensible; understanding. See {Sensible}.
        [1913 Webster]
    

94 Moby Thesaurus words for "intelligent":
      acute, adroit, alert, all-knowing, apperceptive, appercipient,
      apprehending, apprehensive, apt, astute, au fait, aware, brainy,
      bright, brilliant, canny, cerebral, clever, cognizant,
      comprehending, conceptive, conceptual, conscious, consequent,
      cunning, discerning, discursive, docile, educable, endopsychic,
      enlightened, erudite, facile, formable, gifted, ideational,
      impressionable, ingenious, insightful, instructable, intellectual,
      internal, keen, knowing, knowledgeable, logical, malleable, mental,
      mindful, moldable, motivated, noetic, noological, not so dumb,
      omniscient, perceptive, percipient, perspicacious, phrenic,
      plastic, pliable, prehensile, psychic, psychologic, quick,
      quick-witted, rational, ready, reasonable, reasoning, receptive,
      ripe for instruction, sagacious, sage, sane, savvy, schoolable,
      sensible, sharp, shrewd, smart, sophic, sound, spiritual,
      strong-minded, subjective, susceptible, teachable, thinking,
      thirsty for knowledge, trainable, understanding, willing, wise