Force

noun
(physics) the influence that produces a change in a physical quantity
“force equals mass times acceleration”
noun
one possessing or exercising power or influence or authority
“the mysterious presence of an evil power”
Similar: power
noun
an act of aggression (as one against a person who resists)
“he may accomplish by craft in the long run what he cannot do by force and violence in the short one”
Similar: violence
noun
a group of people having the power of effective action
“he joined forces with a band of adventurers”