prerequisite

• POS: Adjective, Noun
• HYPHEN: pre=req=ui=site

CIDE DICTIONARY

prerequisite, a. 

 Previously required; necessary as a preliminary to any proposed effect or end; as, prerequisite conditions of success.  [1913 Webster]

prerequisite, n. 

 Something previously required, or necessary to an end or effect proposed.  [1913 Webster]
"The necessary prerequisites of freedom."  [1913 Webster]

OXFORD DICTIONARY

prerequisite, adj. & n.
--adj. required as a precondition.
--n. a prerequisite thing.

THESAURUS

prerequisite

arrangement, bare necessities, basic training, boundary condition, briefing, call for, called for, catch, clause, clearing the decks, condition, demand, demand for, demanded, desideration, desideratum, donnee, equipment, escalator clause, escape clause, escape hatch, essential, essentials, familiarization, fine print, fixing, foundation, given, grounds, groundwork, imperative, indicated, indispensable, irreducible, irreductible, irreplaceable, joker, kicker, limiting condition, makeready, making ready, manufacture, mobilization, must, must item, necessaries, necessary, necessities, necessitous, necessity, need, need for, needed, needful, obligation, obligatory, occasion, parameter, planning, prearrangement, precondition, preliminaries, preliminary, preliminary act, preliminary step, prep, preparation, preparative, preparatory, preparatory study, preparing, prepping, prerequirement, pretreatment, processing, propaedeutic, provident, provision, provisional, provisions, proviso, qualification, readying, required, requirement, requisite, requisition, saving clause, sine qua non, small print, spadework, specification, stipulation, string, terms, the necessary, the needful, training, treatment, trial, tryout, ultimatum, unforgoable, vital, want, wanted, warm-up, whereas

ROGET THESAURUS

prerequisite

Requirement

N requirement, need, wants, necessities, necessaries, necessaries of life, stress, exigency, pinch, sine qua non, matter of necessity, case of need, case of life or death, needfulness, essentiality, necessity, indispensability, urgency, requisition, run upon, demand, call for, charge, claim, command, injunction, mandate, order, precept, desideratum, want, Adj, required, requisite, needful, necessary, imperative, essential, indispensable, prerequisite, called for, in demand, in request, urgent, exigent, pressing, instant, crying, absorbing, in want of, destitute of, ex necessitate rei, of necessity, there is no time to lose, it cannot be spared, it cannot be dispensed with, mendacem memorem esse oportet, necessitas non habet legem, nec tecum possum trivere nec sine te.

Qualification

N qualification, limitation, modification, coloring, allowance, grains of allowance, consideration, extenuating circumstances, mitigation, condition, proviso, prerequisite, contingency, stipulation, provision, specification, sine qua non, catch, string, strings attached, exemption, exception, escape clause, salvo, saving clause, discount, restriction, fine print, qualifying, qualified, conditioned, restricted, hedged, conditional, exceptional, hypothetical, contingent, provided, provided that, provided always, if, unless, but, yet, according as, conditionally, admitting, supposing, on the supposition of, with the understanding, even, although, though, for all that, after all, at all events, approximately, in a limited degree (smallness), somewhat, sort of, something like that, to a certain extent, to a degree, in a sense, so to speak, with grains of allowance, cum grano salis, with a grain of salt, exceptis excipiendis, wind and weather permitting, if possible, subject to, conditioned upon, with this proviso, if the good lord is willing and the creeks don't r, catch-, Degrees of Evidence.