establish

1 to gain full recognition or acceptance of a first novel that established him as one of the most promising writers of his generation Synonyms demonstrate, prove, show, substantiate Related Words attest, authenticate, bear out, document, evidence, support, sustain, uphold; confirm, corroborate, justify, validate, verify Near Antonyms confute, discredit, invalidate, rebut, refute Antonyms disprove

2 to show the existence or truth of by evidence the developers haven't established that there's a need for another shopping center in town Synonyms demonstrate, document, prove, substantiate, validateRelated Words back (up), buttress, circumstantiate, corroborate; evidence, evince, record, support, uphold, witness; adduce, attest, authenticate, certify, identify; confirm, sustain, verify, vouch; clinch, nail, settle; confess, depose, testifyNear Antonyms challenge, dispute, object; allege, assume, conjecture, guess, presume, surmise, suspectAntonyms disprove, rebut, refute

3 to be responsible for the creation and early operation or use of established the first school for the education of Native Americans Synonyms begin, constitute, found, inaugurate, initiate, innovate, institute, introduce, launch, pioneer, plant, set up, startRelated Words author, father, originate; conceive, concoct, contrive, cook (up), create, devise, fabricate, invent, make up, manufacture, produce, think (up); construct, put up; develop, enlarge, expand; endow, finance, fund, subsidize; arrange, organize, systematize, systemize; refound, reinitiate, reinstitute, relaunchNear Antonyms abolish, annihilate, annul, nullify; end, finish, halt, stop, terminate; round (off or out), wind up, wrap upAntonyms close (down), phase out, shut (up)