The term 'Fall Like a Waterfall' can be summarized by the word 'CASCADE, ' which is a seven-letter word. A CASCADE is a type of waterfall that is characterized by a steep drop and a large amount of water flowing over rocks or other obstacles. It is often seen in nature, such as in mountain streams or rivers. The term 'fall like a waterfall' is often used to describe something that is happening quickly and with great force.