natural ability - ability that is inherited

hang, knack, bent - a special way of doing something; "he had a bent for it"; "he had a special knack for getting into trouble"; "he couldn't get the hang of it"

flair, genius - a natural talent; "he has a flair for mathematics"; "he has a genius for interior decorating"

raw talent - powerfully impressive talent

expert - a person with special knowledge or ability who performs skillfully