ˈpərs( ə )nəˌlizəm noun
( -s )
1. : personal quality or state : individuality of character or influence : individualism
2. : a doctrine, theory, or school of thought emphasizing the significance, uniqueness, and inviolability of personality: as
a. : the philosophical theory developed in America principally by Borden P. Bowne and George H. Howison but foreshadowed in Walt Whitman and Bronson Alcott holding that ultimate reality consists of a plurality of spiritual beings or independent persons
personalism is a modern title used particularly to indicate a break, not only with absolutisms of every kind and with fundamental monisms, but also to distinguish its system from those personal idealisms and theisms which retain a hidden Absolute treated as a person — R.T.Flewelling
b. : a theory that psychology is properly concerned with the person or self