Main Entry: turn on

Function: verb

Date: 1833

transitive verb

1 : to activate or cause to flow, operate, or function by or as if by turning a control <turn the water on full> <turn on the power>
2 a : to cause to undergo an intense often visionary experience by taking a drug; broadly : to cause to get high b : to move pleasurably <rock music turns her on>; also : to excite sexually c : to cause to gain knowledge or appreciation of something specified <turned her on to ballet>intransitive verb : to become turned on

— turn–on \ˈtərn-ˌȯn, -ˌän\ noun