to cause to start working or flowing by operating a switch or tap
to make (somebody) interested or excited, esp sexually
to cause (something) to start working or flowing by means of a switch, tap, etc
to produce (an agreeable aspect) as required
informal
to cause (somebody) to become excited or stimulated, esp sexually
to cause (somebody) to experience the effects of a drug, esp a hallucinogenic one
informal to become excited or stimulated, esp sexually