Gregarious

fond of the company of others; sociable.

living in flocks or herds, as animals.

Botany . growing in open clusters or colonies; not matted together.

pertaining to a flock or crowd.

adjective

cold , cool , introverted , unfriendly , unhospitable , unsociable

adjective

affable , clubby , companionable , convivial , cordial , fun , outgoing , sociable , social , communicable , communicative , expansive , extraverted , extroverted , unreserved