to return (an item)
res-tee-too-EE-reh
Regular -ire verb (isc type). 'Reso' is the noun for a return of goods.
Voglio restituire questo prodotto difettoso.
I want to return this defective product.
Puoi restituire l'articolo entro quindici giorni con lo scontrino.
You can return the item within fifteen days with the receipt.