The term 'catches on' can be defined as something becoming popular or widely accepted. This term can be broken down into six different crossword solutions: realizes (8 letters), SEES (4 letters), gets (4 letters), SNAGS (5 letters), getsit (6 letters), and learns (6 letters). Realizes means to become aware of something, while SEES is the act of perceiving with the eyes. Gets is the act of obtaining something, and SNAGS is to capture or seize something. Getsit is a slang term meaning to understand something, and learns is the act of gaining knowledge. All of these words together can be used to describe something that has become popular or widely accepted.