social

adjective:relating to society or its organization
- Poverty is a major social problem.
adjective:needing companionship and interaction with others; living in communities
- Humans are inherently social beings.
adjective:friendly, outgoing, and inclined to seek companionship
- She is a very social person who enjoys meeting new friends at events.
adjective:involving the participation of others for pleasure or entertainment
- We're having a small social gathering at our house on Friday.