requisite
71Neeti Sastra — Neeti Saara (or) Neeti Sastra is a very popular collection of morals written by Baddena, a Telugu poet. Baddena (1220 1280? AD) is the composer of the most famous Sumathi Satakam as well as Niti Sastra. Complete details about his origin are not… …
72requirement — I (New American Roget s College Thesaurus) n. want, necessity;the necessary or requisite; requisition, demand; needfulness, essentiality, indispensability; urgency, exigency, sine qua non, matter of life and death. See compulsion, command. II… …
73necessary — I (Roget s IV) modif. 1. [Essential] Syn. essential, requisite, expedient, needful, indispensable, needed, required, urgent, wanted, imperative, prerequisite, exigent, pressing, vital, cardinal, fundamental, significant, momentous, compulsory,… …
74necessary — adjective 1) parental permission is necessary Syn: obligatory, requisite, required, compulsory, mandatory, imperative, needed, de rigueur; essential, indispensable, vital 2) a necessary consequence Syn …
75requirement — re•quire•ment [[t]rɪˈkwaɪər mənt[/t]] n. 1) something required 2) an act or instance of requiring 3) a need or necessity: the requirements of daily life[/ex] • Etymology: 1520–30 syn: requirement, requisite refer to that which is necessary. A… …
76needed — adjective necessary for relief or supply (Freq. 21) provided them with all things needful • Syn: ↑needful, ↑required, ↑requisite • Similar to: ↑necessary • …
77required — adjective 1. necessary for relief or supply (Freq. 13) provided them with all things needful • Syn: ↑needed, ↑needful, ↑requisite • Similar to: ↑necessary …
78Article One of the United States Constitution — United States of America This article is part of the series: United States Constitution Original text of the Constitution Preamble Articles of the Constitution I  …
79Sunk costs — In economics and business decision making, sunk costs are retrospective (past) costs that have already been incurred and cannot be recovered. Sunk costs are sometimes contrasted with prospective costs, which are future costs that may be incurred… …
80William Ross Ashby — Infobox Systems scientist H region = Cybernetics era = 20th century color = #B0C4DE image caption = name = William Ross Ashby birth = 6 September 1903 London, England death = November 15, 1972 school tradition = Psychiatry main interests =… …