The term 'colourful parade' can be summed up with the crossword solution 'PAGEANT'. A PAGEANT is a public entertainment consisting of a procession of people in elaborate costumes, or an event in which people compete for titles or prizes. It is often associated with festivals, carnivals, and other celebrations. Pageants are usually very colourful and vibrant, making them a perfect fit for the term 'colourful parade'.