| leave open-mouthed(verb, expression, shock, confuse, overwhelm) |
| nonplus(verb, confuse, alarm, confound, disconcert) |
| overwhelm(verb, confuse, alarm, confound, disconcert) |
| perplex(verb, confuse, alarm, confound, disconcert) |
| petrify(verb, confuse, alarm, confound, disconcert) |
| rattle(verb, shock, confuse, overwhelm, alarm) |
| rock(verb, confuse, alarm, confound, disconcert) |
| shake up(verb, expression, confuse, alarm, confound) |
| shock(verb, confuse, alarm, confound, disconcert) |
| spring something on(verb, expression, idiom, phrasal verb, shock) |
| stagger(verb, confuse, alarm, confound, disconcert) |
| strike |
| strike dumb(verb, expression, confuse, alarm, confound) |
| stun(verb, confuse, alarm, confound, disconcert) |
| stupefy(verb, confuse, alarm, confound, disconcert) |
| surprise(verb, alarm, astonish, startle) |
| take aback(verb, expression, confuse, alarm, confound) |
| throw a curve(verb, expression, idiom, confuse, confound) |
| unsettle(verb, shock, confuse, overwhelm, alarm) |
| alarm(astonish, startle) |