Cautioner's Word is a term used to describe the warning given by someone who is trying to protect another person from harm. It is often used in the form of a phrase such as 'BEWARE!' and is typically used to alert someone to a potential danger or risk. The term Cautioner's Word is derived from the Latin word 'cautionem, ' which means 'to warn.' In crossword puzzles, the term is often abbreviated to 'BEWARE, ' which is a six-letter word.