electrify excite jolt shock spur startle stir arouse awaken fire impel invigorate prod rouse stimulate inspire move thrill encourage exhilarate motivate prompt provoke wake animate energise energize urge vitalize charge fuel intoxicate titillate goad incentivise incentivize inspirit astonish frighten incite innervate pique prime quicken stun zap enliven activate spark instigate rally drive trigger inflame impassion enthuse kindle revitalize hearten strengthen embolden steel brace refresh revive buoy push boost revitalise vivify fortify fillip uplift foment agitate actuate cheer whet spike waken elate revivify cause empower restore sway gladden induce propel prick enkindle intensify brighten reinforce rejuvenate resuscitate influence persuade nerve impress