The term 'Try On For Size' is a phrase that means to try something out to see if it fits. The two crossword solutions for this phrase are 'SAMPLE' (6 letters) and 'TEST' (4 letters). SAMPLE refers to a small portion of something that can be used to determine if it is suitable for the desired purpose. Testing is the process of examining something to determine its quality, or to see if it meets certain standards. Therefore, both SAMPLE and TEST can be used to describe the phrase 'Try On For Size'.