The definition of requisite is something required or necessary.(adjective)
An example of requisite is your identification before you can get on a plane.
Requisite is something that is necessary or required to achieve some goal or do some task.(noun)
An example of requisite is identification to get on a plane.
See requisite in Webster's New World College Dictionary
Origin: L requisitus, pp. of requirere: see require
See requisite in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin requīsītus
Origin: , past participle of requīrere, to require; see require.
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