Definition of: social

(sō′shəl) adjective
1. Of or pertaining to society or its organization; relating to persons as living in society or to the public as an aggregate body: social life, social questions.
2. Disposed to hold friendly intercourse with others; sociable.
3. Constituted to live in society; having developed or fulfilled tendencies to organize in society as a race or people: social beings.
4. Of or pertaining to public welfare: social insurance.
5. Pertaining to or characteristic of persons of fashion: social register.
6. Living in communities: social ants or bees; aggregate; compound; colonial.
7. Grouping compactly, as individual plants; partly or wholly covering a large area of land: said of plant species.
8. Venereal: social disease: a euphemism.
9. Pertaining to or between allies or confederates, as the wars waged by Rome in 90–89 B.C., and by Athens in 357–355 B.C. against their allies. See synonyms under FRIENDLY, GOOD.
—noun A sociable. [<L socialis <socius ally]