| noun | a sudden involuntary movement “he awoke with a start” |
| verb | to stimulate to action “..startled him awake” |
| verb | move or jump suddenly, as if in surprise or alarm “She startled when I walked into the room” |
| startle | verb | move or jump suddenly, as if in surprise or alarm |
| jumpy | adjective | causing or characterized by jolts and irregular movements |
| jump | verb | move or jump suddenly, as if in surprise or alarm |
| start | verb | move or jump suddenly, as if in surprise or alarm |
| galvanization | noun | stimulation that arouses a person to lively action |
| galvanizer | noun | a leader who stimulates and excites people to action |
| galvaniser | noun | a leader who stimulates and excites people to action |
| galvanisation | noun | stimulation that arouses a person to lively action |
| startle | noun | a sudden involuntary movement |
| jump | noun | a sudden involuntary movement |
| start | noun | a sudden involuntary movement |