Essentiality

es·sen·tial  (-snshl)

adj.

1. Constituting or being part of the essence of something; inherent.

2. Basic or indispensable; necessary: essential ingredients. See Synonyms at indispensable.

3. Medicine Of, relating to, or being a dysfunctional condition or a disease whose cause is unknown: essential hypertension.

4. Biochemistry Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet: essential amino acids.

n.

1. Something fundamental.

2. Something necessary or indispensable.

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es·senti·ali·ty (-sh-l-t), es·sential·ness n.

es·sential·ly adv.

Thesaurus

Noun

1.

essentiality - basic importance essentialness importance - the quality of being important and worthy of note; "the importance of a well-balanced diet" vitalness - the quality of being essential to maintain life indispensability, indispensableness, vitalness - the quality possessed by something that you cannot possibly do without inessentiality - not of basic importance