sociable (adj.)youdaoicibaDictYouDict[sociable 词源字典]
1550s, "enjoying the company of others," from Middle French sociable (16c.) and directly from Latin sociabilis "close, intimate, easily united," from sociare "to join, unite," from socius "companion, ally" (see social (adj.)).[sociable etymology, sociable origin, 英语词源]