The crossword solution for the term 'WILLING TO PARTICIPATE' is GAME, which is a four-letter word. GAME is an activity that involves one or more players, usually as part of entertainment or recreation. It can range from simple, improvised games to complex, structured activities with set rules. Games often involve competition, but they can also be cooperative in nature. People who are willing to participate in a GAME are usually enthusiastic and eager to take part.