requisite :: Lexipedia - Where words have meaning

need, requirement, necessity, essential, necessary

n. anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be obtained"

required, needed, needful

adj. necessary for relief or supply; "provided them with all things needful"

condition, status

n. a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations"

necessity

n. the condition of being essential or indispensable

prerequisite, requirement

n. something that is required in advance; "Latin was a prerequisite for admission"

order

n. established customary state (especially of society); "order ruled in the streets"; "law and order"

fundamental, fundamental frequency, first harmonic

n. the lowest tone of a harmonic series

basic, staple

n. (usually plural) a necessary commodity for which demand is constant

mandatory, compulsory, required

adj. required by rule; "in most schools physical education is compulsory"; "attendance is mandatory"; "required reading"

essential

adj. basic and fundamental; "the essential feature"

imperative

adj. requiring attention or action; "as nuclear weapons proliferate, preventing war becomes imperative"; "requests that grew more and more imperative"

invaluable, priceless

adj. having incalculable monetary, intellectual, or spiritual worth

essential, crucial, all-important, all important, of the essence

adj. of the greatest importance; "the all-important subject of disarmament"; "crucial information"; "in chess cool nerves are of the essence"

essential, indispensable

adj. absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"

obligatory

adj. required by obligation or compulsion or convention; "he made all the obligatory apologies"

inessential

n. anything that is not essential; "they discarded all their inessentials"

etcetera, etceteras, extra, extras

n. additional unspecified odds and ends; more of the same; "his report was full of etceteras"

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