This is the 17356th most frequent Polish word.
zapewniła
"Zapewniła" means "she assured" or "she provided" in English.
Here 'zapewniła' is used to mean 'assured', indicating that Maria gave her children confidence and a guarantee about the situation.
Maria zapewniła swoje dzieci, że wszystko będzie dobrze.
Maria assured her children that everything would be fine.
In this sentence, 'zapewniła' means 'ensured' or 'guaranteed', and it shows that the company was giving a promise or certainty about its product quality.
Firma zapewniła klientom wysoką jakość swoich produktów.
The company assured the customers of the high quality of its products.
Here, 'zapewniło' implies that the management took actions or made provisions to guarantee the stated outcome, showing usage in an operational context.