<p><strong>Verb</strong></p><ul><li>(used with object)<ul><li>To found, institute, build, or bring into being on a firm or stable basis:<ul><li>To establish a university; to establish a medical practice.</li></ul></li><li>Synonyms:<ul><li>Organize, form</li></ul></li><li>Antonyms:<ul><li>Abolish</li></ul></li><li>To install or settle in a position, place, business, etc.:<ul><li>To establish one's child in business.</li></ul></li><li>To show to be valid or true; prove:<ul><li>To establish the facts of the matter.</li></ul></li><li>Synonyms:<ul><li>Substantiate, verify</li></ul></li><li>Antonyms:<ul><li>Disprove</li></ul></li><li>To cause to be accepted or recognized:<ul><li>To establish a custom; She established herself as a leading surgeon.</li></ul></li><li>To bring about permanently:<ul><li>To establish order.</li></ul></li><li>To enact, appoint, or ordain for permanence, as a law; fix unalterably:<ul><li>Synonyms: Decree</li></ul></li><li>To make (a church) a national or state institution.</li><li>Cards:<ul><li>To obtain control of (a suit) so that one can win all the subsequent tricks in it.</li></ul></li></ul></li></ul>