ensure

/ɪnˈʃʊr/
verb
  1. To make certain that something happens or is done.
    • Please ensure that all doors are locked before you leave.
    • The company hired extra staff to ensure good customer service.
    • Wearing a seatbelt helps ensure your safety in a car.
Synonyms
What does "ensure" mean? | whatsthatwordmean | whatsthatwordmean