verb/aseɡuˈɾaɾ/
to secure (to make fast; to close or confine effectually); to assure (to give (someone) confidence in the trustworthiness of); to claim, to maintain; to ensure, to guarantee (to make a pledge to someone); to make sure, to ensure (to take care that something happens)
“Te aseguro que haremos todo lo posible.” — I assure you that we will do everything possible.
Synonyms: sujetar, afianzar, afirmar, declarar, confirmar, cerciorarse
Inherited from Old Spanish assegurar, from Vulgar Latin *assēcūrare, from Latin sēcūrus (“safe”). Compare English assure.