assure (EN)
verb

verb “assure”

assure; he assures; past assured, part. assured; ger. assuring
  1. assegurar
    The captain assured the passengers that the ship was unsinkable.
  2. comprovar (en el context de confirmar o verificar per un mateix)
    Before leaving on vacation, she assured herself that all the doors were locked.
  3. garantir
    Studying diligently for the entire semester will assure your success on the final exam.