sociable, social, mixer -- (a party of people assembled to promote sociability and communal activity)
Overview of adj social
The adj social has 6 senses
social, societal -- (relating to human society and its members; "social institutions"; "societal evolution"; "societal forces"; "social legislation")
social -- (living together or enjoying life in communities or organized groups; "a human being is a social animal"; "mature social behavior")
social -- (relating to or belonging to or characteristic of high society; "made fun of her being so social and high-toned"; "a social gossip colum"; "the society page")
social -- (composed of sociable people or formed for the purpose of sociability; "a purely social club"; "the church has a large social hall"; "a social director")
social -- (tending to move or live together in groups or colonies of the same kind; "ants are social insects")
social -- (marked by friendly companionship with others; "a social cup of coffee")