cognitive

from WordNet (r) 3.0 (2006)

cognitive
    adj 1: of or being or relating to or involving cognition;
           "cognitive psychology"; "cognitive style"

from The Collaborative International Dictionary of English v.0.48

Cognitive \Cog"ni*tive\, a.
   Knowing, or apprehending by the understanding; as, cognitive
   power. --South.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

34 Moby Thesaurus words for "cognitive":
      cogitative, concentrating, concentrative, conceptive, conceptual,
      conceptualized, contemplating, contemplative, deliberating,
      deliberative, excogitating, ideative, introspective, meditating,
      meditative, mental, museful, musing, noetic, pensive, pondering,
      prehensive, reflecting, reflective, ruminant, ruminating,
      ruminative, serious, sober, speculative, thinking, thought,
      thoughtful, wistful