The term 'REMOVE BY CLEANSING' can be summarized by the crossword solution 'PURGE, ' which is a five-letter word. Purging is a process of removing something, usually unwanted or unnecessary, from a larger group. It is commonly used in reference to cleaning out a space or system, such as a computer, of any unwanted files or programs. In the context of health and wellness, purging can refer to the act of eliminating toxins from the body through diet, exercise, or other means.