oxford dictionaries
Noun [MASS NOUN]
-The ability or capacity to do something or act in a particular way
-The capacity or ability to direct or influence the behaviour of others or the course of events
-Political or social authority or control, especially that exercised by a government
-Authority that is given or delegated to a person or body
-The military strength of a state
-[COUNT NOUN] A state or country, especially one viewed in terms of its international influence and military strength
-ability, capacity, capability, potential, potentiality, faculty, property, competence, competency
[ANTONYMS] inability, incapacity
-control, authority, influence, dominance, mastery, domination, rule, command, ascendancy, supremacy, dominion, sovereignty, jurisdiction, sway, weight, leverage, hold, grasp, say informal: clout, pull, beef, teeth
North American informal: drag, literary: puissance
-authority, right, authorization, warrant, licence, prerogative, faculty
Informal: say-so
-state, country, nation, world power, superpower
-strength, powerfulness, might, force, forcefulness, mightiness, weight, vigour, energy, intensity, potency; brawn, brawniness
-forcefulness, powerfulness, potency, strength, force, eloquence, effectiveness, cogency, persuasiveness, impressiveness, authoritativeness informal: punch
[ANTONYMS] weakness, impotence
-driving force, horsepower, hp, acceleration informal: poke, oomph North American informal: grunt
-energy, electrical power, nuclear power, solar power, steam power, water power informal: juice
-a great deal of, a lot of, much informal: lots of, loads of, heaps of, masses of, tons of dateda deal of