This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Something that is required; a necessity.

n. Something obligatory; a prerequisite.

n. A necessity or prerequisite; something required or obligatory.

n. Something asked.

n. A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.

n. The act of requiring; demand; requisition.

n. That which is required; an imperative or authoritative command; an essential condition; something needed or necessary; a need.

n. The act of requiring, in any sense; demand; requisition.

n. That which requires the doing of something; an authoritative or imperative command; an essential condition; claim.

n. That which is required; something demanded or necessary.

n. Synonyms Requisite, Requirement (see requisite), mandate, injunction, charge.

n. anything indispensable

n. required activity

n. something that is required in advance

"My main requirement is that I be within 1-2 hours of Guadalajara, since that airport has frequent, relatively cheap service to and from the US west coast where my kids live."

obligation    duty    responsibility   

requirements engineering    requirements analysis    functional requirement   

demand    requisition    need    necessary    prerequisite    condition    necessity   

capability    procedure    plan    operation    support    need    issue    cost    regulation    responsibility