adequacy β Adequacy is the quality of being good enough or great enough in amount to be acceptable.
competence β Competence is the ability to do something well or effectively.
effectiveness β adequate to accomplish a purpose; producing the intended or expected result: effective teaching methods; effective steps toward peace.
virtue β moral excellence; goodness; righteousness.
ability β Your ability to do something is the fact that you can do it.
capability β If you have the capability or the capabilities to do something, you have the ability or the qualities that are necessary to do it.
capacity β The capacity of a container is its volume, or the amount of liquid it can hold, measured in units such as litres or gallons.
effect β something that is produced by an agency or cause; result; consequence: Exposure to the sun had the effect of toughening his skin.
efficaciousness β capable of having the desired result or effect; effective as a means, measure, remedy, etc.: The medicine is efficacious in stopping a cough.
force β physical power or strength possessed by a living being: He used all his force in opening the window.
influence β the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
performance β a musical, dramatic, or other entertainment presented before an audience.
power β a heavy blow or a loud, explosive noise.
strength β the quality or state of being strong; bodily or muscular power; vigor.
success β the favorable or prosperous termination of attempts or endeavors; the accomplishment of one's goals.
sufficiency β the state or fact of being sufficient; adequacy.
use β to employ for some purpose; put into service; make use of: to use a knife.
productivity β the quality, state, or fact of being able to generate, create, enhance, or bring forth goods and services: The productivity of the group's effort surprised everyone.
economy β thrifty management; frugality in the expenditure or consumption of money, materials, etc.
effectual β producing or capable of producing an intended effect; adequate.
efficacy β capacity for producing a desired result or effect; effectiveness: a remedy of great efficacy.
facility β Often, facilities. something designed, built, installed, etc., to serve a specific function affording a convenience or service: transportation facilities; educational facilities; a new research facility. something that permits the easier performance of an action, course of conduct, etc.: to provide someone with every facility for accomplishing a task; to lack facilities for handling bulk mail.
faculty β an ability, natural or acquired, for a particular kind of action: a faculty for making friends easily.
know-how β the fact or state of knowing; knowledge.
powerfulness β having or exerting great power or force.
productiveness β having the power of producing; generative; creative: a productive effort.
proficiency β the state of being proficient; skill; expertness: proficiency in music.
prowess β exceptional valor, bravery, or ability, especially in combat or battle.
quantity β a particular or indefinite amount of anything: a small quantity of milk; the ocean's vast quantity of fish.
resourcefulness β able to deal skillfully and promptly with new situations, difficulties, etc.
response β an answer or reply, as in words or in some action.
skilful β having or exercising skill: a skillful juggler.
suitability β such as to suit; appropriate; fitting; becoming.
thoroughness β executed without negligence or omissions: a thorough search.
maturity β the state of being mature; ripeness: The fruit will reach maturity in a few days.
trustworthiness β deserving of trust or confidence; dependable; reliable: The treasurer was not entirely trustworthy.
efficiency β the state or quality of being efficient, or able to accomplish something with the least waste of time and effort; competency in performance.