clear-eyed

from WordNet (r) 3.0 (2006)

clear-eyed
    adj 1: mentally acute or penetratingly discerning; "too clear-
           eyed not to see what problems would follow"; "chaos could
           be prevented only by clear-sighted leadership"; "much too
           perspicacious to be taken in by so spurious an argument"
           [syn: {clear-eyed}, {clear-sighted}, {perspicacious}]

from The Collaborative International Dictionary of English v.0.48

clear-eyed \clear-eyed\ adj.
   Acutely perceptive or discerning.

   Syn: clear-sighted; perceptive; percipient; perspicacious;
        clear-headed.
        [WordNet 1.5]