'Psychology' definitions:

Definition of 'psychology'

(from WordNet)
noun
The science of mental life [syn: psychology, psychological science]

Definition of 'Psychology'

From: GCIDE
  • Psychology \Psy*chol"o*gy\, n. pl. Psychologies. [Psycho- + -logy: cf. F. psychologie. See Psychical.] The science of the human soul; specifically, the systematic or scientific knowledge of the powers and functions of the human soul, so far as they are known by consciousness; a treatise on the human soul. [1913 Webster]
  • Psychology, the science conversant about the phenomena of the mind, or conscious subject, or self. --Sir W. Hamilton. [1913 Webster]

Synonyms of 'psychology'

From: Moby Thesaurus