Colin Powell (former Chairman of the U.S. Joint Chiefs of Staff and former U.S. Secretary of State) refers to what he calls "force multipliers." These are strategies we can use that accelerate or intensify the impact of an action/campaign/initiative. Think of them as steroids for impact.
According to David Rock (2008) there are certain similar factors that allow us to magnify our ability to influence others. By reducing the sensation of threat and at the same time leveraging the nuanced impression of reward we can enhance our influence via five domains:
Status - making others feel more important
Certainty - removing as much uncertainty about the future as possible
Autonomy - giving others as much control of their own work/destiny as possible
Relatedness - fostering a sense of safety
Fairness - cultivating an environment of equity and fair exchange
Using this SCARF model, we make it easier for others to trust us. Sort of like steroids for influence.
Or, to channel General Powell, influence multipliers.