essence
Function: noun
Etymology: Middle English, from Middle French & Latin; Middle French, from Latin essentia, from esse to be -- more at IS
1 a : the permanent as contrasted with the accidental element of being b : the individual, real, or ultimate nature of a thing especially as opposed to its existence c : the properties or attributes by means of which something can be placed in its proper class or identified as being what it is
2 : something that exists : ENTITY
3 a (1) : a volatile substance or constituent (as of perfume) (2) : a constituent or derivative possessing the special qualities (as of a plant or drug) in concentrated form; also : a preparation of such an essence or a synthetic substitute b : ODOR, PERFUME
4 : one that possesses or exhibits a quality in abundance as if in concentrated form <she was the essence of punctuality>
- in essence : in or by its very nature : ESSENTIALLY, BASICALLY <was in essence an honest person>
- of the essence : of the utmost importance <time is of the essence>