Answer: ensures

AnswerCrossword Clue
ENSURESMakes certain of
ENSURESGuarantees
ENSURESCinches
ENSURESMakes certain
ENSURESNails down
ENSURESIces
ENSURESSews up
ENSURESGuarantees.
ENSURESProtects.
ENSURESMakes certain.
ENSURESIces, so to speak
ENSURESClinches
ensuresMake certain that (something) shall occur or be the case
ensuresMake certain of obtaining or providing (something)
ensuresENSURE, to make sure (free from doubt)
ensuresMake sure that (a problem) shall not occur