psychologist

from WordNet (r) 3.0 (2006)

psychologist
    n 1: a scientist trained in psychology

from The Collaborative International Dictionary of English v.0.48

Psychologist \Psy*chol"o*gist\, n. [Cf. F. psychologiste.]
   One who is versed in, devoted to, psychology.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

22 Moby Thesaurus words for "psychologist":
      Adler, Freud, Horney, Pavlov, Reich, Skinner, Watson, alienist,
      clinical psychologist, industrial psychologist, neuropsychiatrist,
      psychiatrist, psychobiologist, psychochemist, psychographer,
      psychologue, psychopathist, psychopathologist, psychophysicist,
      psychophysiologist, psychotechnologist, somatist