To set a flow of fluid or gas running by rotating a tap or valve.transitive
To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).transitive
To start operating; to power up, to become on.intransitive
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).transitive
To sexually arouse.transitive
To take drugs.intransitive, slang
To cause to take up drugs, especially hallucinogens.slang, transitive
To aim at.transitive
To rebel against; to suddenly attack.transitive
To cause (someone) to rebel against or suddenly attack (someone else).ditransitive
To depend upon; to pivot around, to have as a central subject.intransitive
To lower, blocking the way and signalling that a train may not proceed.transitive