Collective behavior is a term used to describe a wide range of actions that take place when individuals come together to form groups. Synonyms for collective behavior include group action, mass behavior, crowd behavior, and mob mentality. These terms all refer to the same general concept of people acting in concert to achieve a common goal, whether it be peaceful protest or violent rioting. Other synonyms for collective behavior might include social movements, collective action, and collective consciousness. Ultimately, the term is used to describe any situation in which individuals are acting in a group rather than as individuals, and as such, there are many different synonyms that can be used to describe this complex phenomenon.