English Reference
verb

establish

v.
US /ɪˈstæbɫɪʃ/ UK /ɪstˈæblɪʃ/ es·tab·lish UK spelling establishes

  1. 01 B2 Upper Intermediate

    to start a company, organization, or system that will continue for a long time.

    to set up an organisation, system, or set of rules on a firm or permanent basis.

    Simple

    The family established a successful clothing business in the city over fifty years ago.

    In context

    The treaty established a new framework for international cooperation, ensuring that all member states adhered to the same environmental standards.

    Usage

    Often used with organizations, businesses, or formal systems as the object.

  2. 02 B2 Upper Intermediate Academic

    to show that something is true by using facts or evidence.

    to achieve permanent acceptance or recognition for a fact or theory by providing evidence.

    Simple

    The police are still trying to establish the facts of the case.

    In context

    The researchers were able to establish a clear link between the new medication and the improved recovery rates in the patient group.

    Usage

    Commonly used in legal, scientific, and academic contexts with objects like 'facts', 'links', or 'truth'.

  3. 03 C1 Advanced Formal

    to become successful and respected in a particular job or field.

    to place someone or oneself in a position of respect or success within a profession or community.

    Simple

    She quickly established herself as one of the best lawyers in the firm.

    In context

    By the age of thirty, he had established himself as a leading authority on medieval architecture through several influential publications.

    Usage

    Frequently used in the reflexive form 'establish oneself as'.

    entrenchsettle

Usage establish new · establish a baseline · clearly establish

But water companies argue that these problems can only be solved by boosting spending to replace pipes, build treatment plants and establish new reservoirs.

BBC News· 13 Aug 2026

Umit – a wild-caught female tiger transported from the Russian far east – will be joined by more big cats in the coming years, with plans to establish a self-sustaining population of about 50.

The Guardian· 11 Aug 2026

From Middle English establissen, from Old French establiss-, stem of some of the conjugated forms of establir, (Modern French établir), from Latin stabiliō, stabilīre, from stabilis (“firm, steady, stable”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin stabilio
Level B2 · Upper Intermediate
Frequency Common
Updated