requisite
adjective
[ ˈrɛkwɪzɪt ]
• made necessary by particular circumstances or regulations.
• "the application will not be processed until the requisite fee is paid"
Similar:
necessary,
required,
prerequisite,
essential,
indispensable,
vital,
needed,
needful,
compulsory,
obligatory,
mandatory,
stipulated,
demanded,
called-for,
imperative,
de rigueur,
requisite
noun
• a thing that is necessary for the achievement of a specified end.
• "she believed privacy to be a requisite for a peaceful life"
Similar:
necessity,
essential requirement,
prerequisite,
essential,
precondition,
specification,
stipulation,
qualification,
desideratum,
sine qua non,
must,
Origin:
late Middle English: from Latin requisitus ‘searched for, deemed necessary’, past participle of requirere (see require).