Noun
The act of requiring; demand; requisition.
That which is required; an imperative or authoritative command; an essential condition; something needed or necessary; a need.
Source: Webster's dictionarythe requirements of his work affected his health Source: Internet
there were many demands on his time Source: Internet
food and shelter are necessities of life Source: Internet
the essentials of the good life Source: Internet
allow farmers to buy their requirements under favorable conditions Source: Internet
a place where the requisites of water fuel and fodder can be obtained Source: Internet