To hasten a chemical reaction, especially by heating.
To organize or create a military unit or station.
To bring a player back after an injury.
To put a device, mechanism (alarm etc.) or system into action or motion; to trigger, to actuate, to set off, to enable.
To render a substance radioactive.
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 bring (a steam boiler) up to working steam pressure.
To become steamy.
To become coated with condensation. To fog up.