gregarious

/ɡrɪˈɡɛriəs/
adjective
  1. Friendly and enjoying the company of other people; sociable.
    • His gregarious nature made him popular with his coworkers.
    • She is a gregarious person who loves hosting parties.
    • Even as a child, he was gregarious and made friends easily.
  2. Living in groups or flocks, especially of animals.
    • The gregarious behavior of ants helps them build complex colonies.
    • Sheep are gregarious animals that prefer to stay together.
    • Many species of birds are gregarious and migrate in large flocks.