This thesis is to research the change in attitude regarding the architectura ornament. One of the key dogmas within Modern Movement of art and design was anti-ornamentalism. The modernist had revolted against ornament and believed that the greatness of the modern age might lay in its inability to produce a new form of ornament. Architectural ornament has been passed through an process of evolution in a decadent stage. In this context, the purpose of this study is to identify historical meaning of architectural ornament in the age of transition toward Modernism.