verb

establish

ih-STAB-lihsh

verb

To set something up so firmly that it becomes permanent or generally accepted.

"The company established a new office in Singapore last year."

"It took decades to establish the charity as a trusted name."

To prove or show that something is true, using evidence.

"The lawyers worked to establish the defendant's alibi."

"Scientists established a clear link between the two diseases."

How to Use Establish

Learner’s notes

In plain EnglishTo start or set up something so it lasts, or to prove something is true with solid evidence.

Common mistake

Don't confuse with "instate" or "instill" — establish is broader and covers both founding institutions and proving facts.

Common pairings

establish a business establish contact establish a fact establish trust

established past tense, establishes singular

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Can you complete this real example?

The company _____ a new office in Singapore last year.

From Old French establir, from Latin stabilire, "to make stable" — from stabilis, "firm, steady."

reestablish