| verb | put in motion or move to act “trigger a reaction” |
| verb | give an incentive for action “This moved me to sacrifice my career” |
| trip | noun | a catch mechanism that acts as a switch |
| tripper | noun | a catch mechanism that acts as a switch |
| actuator | noun | a mechanism that puts something into automatic action |
| act | noun | something that people do or cause to happen |
| actuation | noun | the act of propelling |
| trigger | noun | an act that sets in motion some course of events |
| activation | noun | stimulation of activity in an organism or chemical |
| spark | noun | a small but noticeable trace of some quality that might become stronger |
| motivative | adjective | impelling to action; - Arthur Pap |
| motivation | noun | the condition of being motivated |
| motive | noun | the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior |
| motivator | noun | a positive motivational influence |
| propulsion | noun | the act of propelling |
| incitement | noun | needed encouragement |
| incitation | noun | something that incites or provokes; a means of arousing or stirring to action |