jolt

[1]	jar , shake (up) , jostle , bump , bounce , jerk
[2]	butt , strike , hit , push , nudge , elbow , knock , jab
[3]	shock , jar , astonish , astound , amaze , surprise , startle , stun , dumbfound/dumfound , stupefy , strike dumb , daze , shake (up)

[1]	jar , jounce , shock
[2]	jerk , jerking , saccade
[3]	lurch , jar , jerk , bump , jump , bounce , start
[4]	blow , shock , surprise , bolt from the blue , bombshell