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"capable of being done, accomplished or carried out," mid-15c., from Anglo-French faisible, from Old French faisable "possible, easy, convenient," from fais-, stem of faire "do, make," from Latin facere "do, perform" (see factitious). Fowler recommends this word only for those "who feel that the use of an ordinary word for an ordinary notion does not do justice to their vocabulary or sufficiently exhibit their cultivation."
A description of an algorithm that takes polynomial time (that is, for a problem set of size N, the resources required to solve the problem can be expressed as some polynomial involving N).
Problems that are "feasible" are said to be "in P" where P is polynomial time. Problems that are "possible" but not "feasible" are said to be "in NP".
(2001-04-12) systems analysis
A description of a project or system for which a feasibility study gives a positive answer.