Disposed to live in companies; delighting in or desirous of the company, fellowship, and coöperation of others: as, man is a social animal.Companionable; sociable; ready to mix in friendly relations or intercourse with one's fellows; also, characteristic of companionable or sociable persons: as, social tastes; a man of fine social instincts.Of or pertaining to society, or to the community as a body: as, social duties, interests, usages, problems, questions, etc.; social science.In zoology:Associating together; gregarious; given to flocking; republican; sociable: as, social ants, bees, wasps, or birds.Colonial, aggregate, or compound; not simple or solitary: as, the social ascidians; social polyps. See Sociales.In botany, noting species of plants, as the common ragweed (Ambrosia trifida), in which the individuals grow in clumps or patches, or often cover large tracts to the exclusion of other species.Synonyms See sociable.n. A sociable; an informal gathering of people, especially a church gathering.