adj. secure in formally authorized hands

adj. characterized by certainty or security; "a tiny but assured income"; "we can never have completely assured lives"

adj. secured by written agreement

adj. securely established; "holds a firm position as the country's leading poet"

adj. guaranteed not to fail; "a fail-safe recipe for cheese souffle"

adj. assured by (usually) spoken agreement; "the promised toy"; "the promised land"

adj. in safekeeping; "your secret is safe with me"

adj. safe for the storage of valuables; "kept the deed in his safe-deposit box at the bank"

adj. physically secure or dependable; "a sure footing"; "was on sure ground"