Answer: guaranteed

AnswerCrossword Clue
guaranteedProvide a formal assurance or promise, esp. that certain conditions shall be fulfilled relating to a product, service, or transaction
guaranteedGUARANTEE, to give a formal promise that something will be done
guaranteedPromise with certainty
guaranteedProvide such an assurance regarding (something, esp. a product)
guaranteedProvide financial security for; underwrite