registered
adj 1: (of animals) officially recorded with or certified by a
recognized breed association; especially in a stud
book; "a registered Percheron" [ant: {unregistered}]
2: listed or recorded officially; "record is made of
`registered mail' at each point on its route to assure
safe delivery"; "registered bonds" [ant: {unregistered}]
3: (of a boat or vessel) furnished with necessary official
documents specifying ownership etc