adj.
friendly, affable, approachable, social, gregarious, outgoing, extrovert(ed) or extravert(ed), companionable, accessible, amiable, amicable, genial, congenial, convivial, warm, cordial, neighbourly, hail-fellow-well-met, Colloq chummy, cosy:
The people in this area are quite sociable, and we get together often.