The APA Thesaurus offers the following definition: Analysis, evaluation or prediction of disordered or abnormal behavior, symptoms, or other aspects of psychological functioning, includes assessing the appropriateness of a particular treatment and the degree or likelihood of clinical improvement.
Preconceived definition, to form a conception or opinion of beforehand, as before seeing evidence or as a result of previously held prejudice. See more. Dictionary.com
Definition: A conceit is a kind of metaphor that compares two very unlike things in a surprising and clever way. Often, conceits are extended metaphors that dominate an entire passage or poem.