Wikipedia has an article on: reliability Wikipedia From reliable + -ity. reliability (usually uncountable, plural reliabilities) The quality of being reliable
possessing authority. The quality of trustworthiness and reliability. the quality of possessing authority the quality of trustworthiness and reliability
participle vouched for) (idiomatic) To affirm the truth or reliability of. Let him in. I’ll vouch for his good behaviour. affirm the truth or reliability of