endorsed authoritatively as having met certain requirements; "a certified public accountant"
holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill; "a registered pharmacist"; "a registered hospital"
having quality or payment or delivery guaranteed; "certified milk"; "certified check"; "certified mail"
capable of being reached; "a town accessible by rail"
easy to get along with or talk to; friendly; "an accessible and genial man"
easily obtained; "most students now have computers accessible"; "accessible money"
capable of being read with comprehension; "readily accessible to the nonprofessional reader"; "the tales seem more approachable than his more difficult novels"