5. essence (in philosophy) the truenature or constitution of anything, as opposed to what is accidental, phenomenal, illusory, etc.
6. essence something that exists, esp. a spiritual or immaterial entity.
Definition of 'essence'
Princeton's WordNet
1. (noun)kernel, substance, core, center, centre, essence, gist, heart, heart and soul, inwardness, marrow, meat, nub, pith, sum, nitty-gritty the choicest or most essential or most vital part of some idea or experience "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
2. (noun)essence any substance possessing to a highdegree the predominant properties of a plant or drug or other natural product from which it is extracted
3. (noun)effect, essence, burden, core, gist the centralmeaning or theme of a speech or literary work
4. (noun)perfume, essence a toiletry that emits and diffuses a fragrant odor
1. (noun)essence the central and unique identity of sth a song that expresses the essence of the band's music
Definition of 'essence'
Webster Dictionary
1. (noun)essence the constituent elementary notions which constitute a complex notion, and must be enumerated to define it; sometimes called the nominal essence
2. (noun)essence the constituent quality or qualities which belong to any object, or class of objects, or on which they depend for being what they are (distinguished as real essence); the real being, divested of all logical accidents; that quality which constitutes or marks the true nature of anything; distinctive character; hence, virtue or quality of a thing, separated from its grosser parts
5. (noun)essence the predominant qualities or virtues of a plant or drug, extracted and refined from grosser matter; or, more strictly, the solution in spirits of wine of a volatile or essential oil; as, the essence of mint, and the like
Definitions of essence 
Afrikaans: wese
Arabic: جَوْهَر
Bulgarian: същност
Brazilian: essência
Czech: podstata
German: das Wesentliche
Danish: essens; (det) væsentlige
Greek: ουσία, κύριο στοιχείο
Spanish: esencia
Estonian: tuum
Farsi: اساس؛ اصل
Finnish: ydin
French: essence (mème)
Hebrew: עִיקָר
Hindi: तत्व, गुण, सार, भाव, मूल 
Croatian: bit, srž
Indonesian: inti
Icelandic: kjarni, innsta eðli
Italian: essenza
Japanese: 本質
Korean: 본질, 진수
Lithuanian: esmė
Latvian: būtība; galvenais
Malay: ramuan
Dutch: essentie
Norwegian: det vesentlige, kjerne
Polish: istota
Persian: اساس؛ اصل
Pashto: جوهر، تومنه، اصل، طبيعت، 
Portuguese: essência
Romanian: esenţă
Russian: сущность
Slovak: podstata
Slovenian: bistvo
Serbian: suština
Swedish: innersta väsen (natur), g
Thai: แก่น; ใจความ
Turkish: öz, esas
Taiwanese: 本質
Ukrainian: суть, істотність
Urdu: اہم ترین حصہ یا عنصر
Vietnamese: bản chất
Chinese: 本质
