The purpose of this study is to understand interrelation between design thinking system and creativity, and to analyze designer how to develop personal conception and attitude in interior design through the method of analogy for signification. The process of this study is illustrated as follows: 1. Introduction of general theories about analogical grammar and signification of analogy. 2. Investigating possibility of analogy as creative thinking method in interior design for meaning development. 3. Establishment of design process model for analogical design based on the case study through the design field. That is, concept and process of analogical design is shown objectively by application in collective residential design as commercial product strategy. Through this process, this study presents possibility of giving meaning in interior space through consilience between source and target of analogy. Finally, it examines analogical method is major strategy for ideation and mechanism for meaning development in interior design.