FOSTER-CHILD FANTASY By N., Pam M.S. - May 11, 2013 the name that is given to the childhood belief or fantasy that their parents are actually adoptive or foster parents. See family romance. FOSTER-CHILD FANTASY: "Joe had a foster child fantasy and was convinced he was adopted." Related Psychology Terms MIGNON DELUSION ADOPTION BEATING FANTASY BIRTH PARENT PLACEMENT COUNSELING FAMILY OF ORIGIN OPEN ADOPTION SHELTER CARE BIRTH PARENT RIGHTS OF PEOPLE WITH MENTAL RETARDATION Cite this page: N., Pam M.S., "FOSTER-CHILD FANTASY," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/foster-child-fantasy/ (accessed April 5, 2020).