The crossword solution for the term 'Head of the Party' is 'HOST'. A HOST is someone who is responsible for organizing and managing a party or event. They are in charge of making sure that all guests are comfortable and having a good time. They also take care of any logistical tasks such as setting up decorations, providing food and drinks, and ensuring that the event runs smoothly. Hosts are often the first point of contact for guests and are expected to be friendly and welcoming.