social - noun

a party of people assembled to promote sociability and communal activity

social - adjective

• relating to human society and its members
• living together or enjoying life in communities or organized groups
• relating to or belonging to or characteristic of high society
• composed of sociable people or formed for the purpose of sociability
• tending to move or live together in groups or colonies of the same kind
• marked by friendly companionship with others

social - thesaurus

mixer   sociable   societal