asegurar

verb
  1. To make something certain or guarantee it; to ensure that something will happen or be the case. verb
    He wanted to asegurar that the project would be completed on time.
    She called to asegurar that her reservation was confirmed.
  2. To affirm or assert something confidently; to state something with assurance. verb
    He tried to asegurar her that everything would be fine.
    The witness was able to asegurar that he saw the suspect at the scene.
  3. To protect against risk or loss; to insure. verb
    They decided to asegurar their house against fire and theft.
    You should asegurar your car to avoid financial loss in case of an accident.