This is the 17354th most frequent Polish word.
zapewniać
"Zapewniać" means "to assure" or "to provide."
Here, 'zapewniać' implies 'to provide,' specifically referring to offering assistance or services.
Firma zapewnia swoim klientom wsparcie techniczne.
The company provides technical support to its clients.
In this case, 'zapewniać' is used to mean 'to assert/ensure,' focusing on guaranteeing that standards are met.
Musimy zapewniać, że nasze produkty spełniają najwyższe standardy jakości.
We must ensure that our products meet the highest quality standards.
In this sentence, 'zapewniać' is used to mean 'to provide/ensure,' referring to creating appropriate conditions.