Friendly and cheerful.
Pleasantly mild and warm.
Marked by genius.
Relating to the chin; genian.
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.)