necessity
noun
[ nɪˈsɛsɪti ]
• the state or fact of being required.
• "the necessity of providing parental guidance"
Similar:
essential requirement,
prerequisite,
indispensable thing/item,
essential,
requisite,
necessary,
fundamental,
basic,
sine qua non,
desideratum,
indispensability,
need,
needfulness,
• an indispensable thing.
• "a good book is a necessity when travelling"
Similar:
essential requirement,
prerequisite,
indispensable thing/item,
essential,
requisite,
necessary,
fundamental,
basic,
sine qua non,
desideratum,
• the principle according to which something must be so, by virtue either of logic or of natural law.
Origin:
late Middle English: from Old French necessite, from Latin necessitas, from necesse ‘be needful’.