positivist

from WordNet (r) 3.0 (2006)

positivist
    adj 1: of or relating to positivism; "positivist thinkers";
           "positivist doctrine"; "positive philosophy" [syn:
           {positivist}, {positivistic}, {positive}]
    n 1: someone who emphasizes observable facts and excludes
         metaphysical speculation about origins or ultimate causes
         [syn: {positivist}, {rationalist}]

from The Collaborative International Dictionary of English v.0.48

Positivist \Pos"i*tiv*ist\, n.
   A believer in positivism. -- a. Relating to positivism.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "positivist":
      ass, bigot, bitter-ender, bullethead, diehard, doctrinaire,
      dogmatist, dogmatizer, donkey, fanatic, hardnose, infallibilist,
      intransigeant, intransigent, last-ditcher, maverick, mule,
      opinionist, perverse fool, pighead, practical person, pragmatist,
      purist, realist, standpat, standpatter, stickler

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