Conventionalism /(?)/

Con·ven·tion·al·ism

Conventionalism

n.
  1. That which is received or established by convention or arbitrary agreement; that which is in accordance with the fashion, tradition, or usage.
    All the artifice and conventionalism of life.
    They gaze on all with dead, dim eyes, -- wrapped in conventionalisms, . . . simulating feelings according to a received standard.
    — F. W. Robertson.
  2. The principles or practice of conventionalizing. See Conventionalize, v. t. (Fine Arts)