turn on

to take sudden, violent action against it is dangerous to keep tigers as house pets, as they often turn on their masters without warning Synonyms assail, assault, beset, bushwhack, charge, descend (on or upon), go in (on), jump (on), pounce (on or upon), raid, rush, set on, sic (also sick), storm, strike, trash, attack (on)Related Words bum-rush, gang up (on), mob, swarm; mug, rob; ambuscade, ambush, surprise (also surprize), waylay; blitz, bomb, bombard, nuke; barrage, cannon, cannonade; bang away (at), batter, buffet, plaster; beleaguer, besiege, press; harry, loot, pillage, plunder, ravage, sack; foray, invade, overrun; envelop, flankNear Antonyms cover, defend, guard, protect, secure, shield

1 to cause a pleasurable stimulation of the feelings unsurprisingly, the fanboys were turned on by the movie's amazing special effects and slam-bang plot Synonyms charge, electrify, excite, exhilarate, galvanize, intoxicate, pump up, titillate, thrillRelated Words arouse, incite, inspire, provoke, stimulate; bewitch, captivate, charm, delight, enchant, enthrall (or enthral), hypnotize, mesmerize, rivet, spellbind; interest, intrigue, tantalizeNear Antonyms bore, jade, pall, tire, weary; deject, demoralize, discourage, dishearten, dispirit

2 to cause to function would you turn on the TV? Synonyms actuate, crank (up), drive, move, run, set off, spark, start, touch off, trigger, activateRelated Words kick over, turn over; charge, electrify, energize, fire, fuel, generate, power, push; discharge, launch, release, switch, trip; reactivate, recharge; arouse, excite, jump-start, kick-start, stimulate, vitalize; ignite, incite, instigate, provoke, quicken, stir up; accelerate, catalyze, speed (up), step upNear Antonyms arrest, brake, check, cut off, draw up, halt, jam, stall, stick, stop; decelerate, repress, slow, stunt, suppressAntonyms cut, cut out, deactivate, kill, shut off, turn off