conceptualism
noun /kənˈseptʃuəlɪzəm/
  /kənˈseptʃuəlɪzəm/
[uncountable]- (philosophy) the theory that general qualities such as ‘beauty’ and ‘red’ exist only as ideas in the mind
- (also conceptual art)(art) art in which the idea which the work of art represents is considered to be the most important thing about it