Synonyms of assert in English:

assert


See US English definition of assert

See UK English definition of assert

See Spanish definition of afirmar

verb

1‘he asserted that the day of the cottage industry was over’

SYNONYMS
declare, maintain, contend, argue, state, claim, propound, submit, posit, postulate, adduce, move, advocate, venture, volunteer, aver, proclaim, announce, pronounce, attest, affirm, protest, profess, swear, insist, avow
formal opine
rare asseverate

2‘elderly people find it increasingly difficult to assert their rights’

SYNONYMS
insist on, stand up for, uphold, defend, contend, establish, press for, push for, stress

Phrases

    assert oneself

    ‘a large government majority can encourage backbenchers to assert themselves’


    SYNONYMS
    behave confidently, speak confidently, be assertive, put oneself forward, make one's presence felt, exert one's influence, make people sit up and take notice, make people sit up and listen
    informal put one's foot down