turn-on (verb)

something causing excitement or stimulating interest

switch on, turn on (verb)

cause to operate by flipping a switch

"switch on the light"; "turn on the stereo"

depend on, devolve on, depend upon, ride, turn on, hinge on, hinge upon (verb)

be contingent on

"The outcomes rides on the results of the election"; "Your grade will depends on your homework"

turn on (verb)

produce suddenly or automatically

"Turn on the charm"; "turn on the waterworks"

turn on (verb)

become hostile towards

"The dog suddenly turned on the mailman"

agitate, rouse, turn on, charge, commove, excite, charge up (verb)

cause to be agitated, excited, or roused

"The speaker charged up the crowd with his inflammatory remarks"

arouse, sex, excite, turn on, wind up (verb)

stimulate sexually

"This movie usually arouses the male audience"

trip, trip out, turn on, get off (verb)

get high, stoned, or drugged

"He trips every weekend"

turn on (Verb)

To depend upon; to pivot around, to have as a central subject.

turn on (Verb)

To set a flow of (water, gas, electricity etc.) running

turn on (Verb)

to power up (a device), to start, to cause to start operating.

turn on (Verb)

To start operating; to power up, to become on.

turn on (Verb)

To violently rebel against; to suddenly attack.

turn on (Verb)

To fill with enthusiasm; to intoxicate, give pleasure to ( + to an object of interest or excitement).

turn on (Verb)

To sexually arouse.

turn on (Verb)

to cause to take up drugs, especially hallucinogens.