To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable.
To organize or create a military unit or station.
To bring a player back after an injury.
To render a substance radioactive.
To hasten a chemical reaction, especially by heating.
To render more reactive; excite.
To remove the limitations of demoware by providing a license; to unlock.
To render a molecule reactive, active, or effective in performing its function.
To encourage development or induce increased activity; to stimulate.
To aerate in order to aid decomposition of organic matter.
To power up, to put into operation, to start, to activate (an appliance, light, mechanism, functionality etc.).
To aim at.
To depend upon; to pivot around, to have as a central subject.
To fill with enthusiasm; to intoxicate, give pleasure to ( + to an object of interest or excitement).
To start operating; to power up, to become on.
To take drugs.
To cause to take up drugs, especially hallucinogens.
To set a flow of fluid or gas running by rotating a tap or valve.
To violently rebel against; to suddenly attack.
To sexually arouse.