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
presume verb (BELIEVE) C1 [ T ] to believe something to be true because it is very likely, although you are not certain: [ + (that) ] I presume (that) they're not coming, since they haven't replied to the invitation.