Flocking refers to the action of coming together in a large group or gathering. There are many synonyms for the word, including congregating, gathering, swarming, thronging, amassing, assembling, clustering, and massing. Each of these words describes a group of individuals coming together for a common purpose, whether it be for social, political, or other reasons. The word flocking can be used to refer to a variety of situations, including birds gathering in flight, people gathering at a concert or event, or animals congregating in a grazing field. No matter the context, the word flocking always implies a sense of movement and togetherness, and the synonyms for this word capture this sentiment perfectly.