Talkative and sociable.
Exhibiting expansivity.
Comprehensive in scope or extent.
Able to be expanded.
Friendly and peaceful.
Relating to relations.
Dealing with the whole of human relations and their social context, rather than an independent and private space.
Of a database technology using tables and the principles set forth by Dr. Edgar F. Codd. (Contrary to popular notion, "relation" in this context refers to tables, and not linkages.)