(adj) occurring among members of a family usually by heredity, Syn. transmitted, genetic, hereditary, transmissible, inherited, Example:an inherited disease; familial traits; genetically transmitted features
adj. 1. relating to or having the characteristics of a family; as, children of the same familial background; familial aggregation. [ WordNet 1.5 ]
2. tending to occur among members of a family, usually by hereditary transmission; familial traits. Syn. -- genetic, hereditary, inherited, transmitted, transmissible. [ WordNet 1.5 ]