requisite

What it means

1. Essential, indispensable, required.

   Please submit the requisite papers before the end of the financial year.

   3 more examples

   They ſay he is the King of Perſea. But if he dare attempt to ſtir your ſiege, Twere requiſite he ſhould be ten times more, For all fleſh quakes at your magnificence.

   c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire; London: Scolar Press, 1973, →ISBN, Act III, scene i

   [W]e endeavour to preſent our Gard'ners with a compleat Cycle of what is requiſite to be done throughout every Moneth of the Year: [...]

   1664, J[ohn] E[velyn], “Kalendarium Hortense: Or, The Gard’ners Almanac; […] [Introduction to the Kalendar.]”, in Sylva, or A Discourse of Forest-trees and the Propagation of Timber in His Majesties Dominions. […], London: […] Jo[hn] Martyn, and Ja[mes] Allestry, printers to the Royal Society, […], →OCLC, page 56

   On the other hand, there will be widespread agreement with Sir Brian's belief that, when a British main line has been completely dieselised and the schedules have been recast to suit the new traction, much higher daily mileages than 350 are not only possible but requisite, at least in the early stages of dieselisation.

   1961 July, “Editorial: Sir Brian begs the questions”, in Trains Illustrated, page 386

   Synonyms: basic, essential, indispensable, necessar, necessary, necessitous, needed, prerequisite · Antonyms: discretionary, elective, facultative, free, noncompulsory, nonmandatory, nonobligate, nonobligatory

In a sentence

Please submit the requisite papers before the end of the financial year.

Where it comes from

1. Latinrequīsītus
2. Englishrequisite

From Latin requīsītus, perfect passive participle of requīrō (“to require, seek, ask for”), from which English require.