turn on in Italian

(transitive) To set a flow of fluid or gas running by rotating a tap or valve. [from 19th c.]

(transitive) To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).

(transitive) To introduce (someone to something), and especially to fill them with enthusiasm (about it); to intoxicate, give pleasure to ( + to an object of interest or excitement). [from 20th c.]