switch on

switch on (third-person singular simple present switches on, present participle switching on, simple past and past participle switched on)

(transitive) To start or enable a device by turning a switch or a lever.
Synonyms: start up, turn on

Antonyms: shut off, switch off, turn off
(idiomatic) To change one's expression or appearance as if by turning a switch.
(slang) To arouse, to excite (sexually).
Synonyms: switch up, turn on

Antonym: turn off

to turn a switch to the "on" position

Armenian: please add this translation if you can
Basque: piztu (eu)
Chinese:
Mandarin: 打開 / 打开 (zh) (dǎkāi), 開 / 开 (zh) (kāi)
Czech: zapnout (cs)
Danish: tænde (da), starte (op)
Dutch: aanzetten (nl), inschakelen (nl)
Esperanto: enŝalti
Finnish: kytkeä (fi) (mains), käynnistää (fi) (piece of equipment), sytyttää (fi) (lights)
French: allumer (fr)
Georgian: ჩართვა (čartva)
German: anschalten (de), einschalten (de)
Greek: ανάβω (el) (anávo)
Hungarian: bekapcsol (hu)
Ido: enswichar (io)
Italian: accendere (it)
Japanese: 付ける (ja) (つける, tsukeru)
Khmer: បើក (km) (baək)
Korean: 켜다 (ko) (kyeoda)
Kyrgyz: күйгүзүү (ky) (küygüzüü), жандыруу (ky) (jandıruu)
Ladino: acender
Maori: whakakā
Polish: włączać (pl) impf, włączyć (pl) pf
Portuguese: ligar (pt)
Romanian: aprinde (ro)
Russian: включа́ть (ru) impf (vključátʹ), включи́ть (ru) pf (vključítʹ)
Scottish Gaelic: cuir air
Slovene: vključiti, vklopiti
Spanish: encender (es), prender (es)
Swedish: sätta på (sv)
Thai: please add this translation if you can
Turkish: (lambayı, ışığı) açmak (tr), (düğmeye, şaltere) basmak (tr)
Vietnamese: bật (vi)
White Hmong: please add this translation if you can

English