i ‧ deal ‧ is ‧ tic /aɪˌdɪəˈlɪstɪk◂/ BrE AmE adjective
believing that you should live according to high standards and principles, even if they cannot really be achieved, or showing this belief ⇨ realistic :
idealistic young doctors
the idealistic values of the 1960s
—idealistically /-kli/ adverb