A word of advice' The crossword solution for the term HINT FOR HOLMES is 'CLUE', which is a four-letter word of advice. A CLUE is a piece of information that helps to solve a problem or mystery. In the context of the famous detective Sherlock Holmes, a CLUE is an important part of the process of solving a crime. Clues can be found in the form of physical evidence, witness statements, or other forms of information. By piecing together all the clues, Holmes is able to solve the case.