essential (adj) — sense 3 Necessary for survival but not synthesized by the organism, thus needing to be ingested.
established (adj) — sense 1 Having been in existence for a long time and therefore recognized and generally accepted.
established (adj) — sense 2 Having been successful for a long time and therefore recognized and generally respected.
established (adj) — sense 3 Of a religion, church etc.: formally recognized by a state as being official within that area.
establish (verb) — sense 3 To appoint or adopt, as officers, laws, regulations, guidelines, etc.; to enact; to ordain.
estate (noun) — sense 1 The collective property and liabilities of someone, especially a deceased person.
estimate (noun) — sense 1 A rough calculation or assessment of the value, size, or cost of something.
estimate (noun) — sense 2 A rough calculation or assessment of the value, size, or cost of something.: A document (or verbal notification) specifying how much a job is likely…
evening (noun) — sense 2 The time of the day between the approximate time of midwinter dusk and midnight (compare afternoon); the period after the end of regular office…
evening (noun) — sense 3 A concluding time period; a point in time near the end of something; the beginning of the end of something.
eventually (adv) — sense 1 In the end; at some later time, especially after a long time, a series of problems, struggles, delays or setbacks.
eventually (adv) — sense 2 For some tail; for all terms beyond some term; with only finitely many exceptions.