to state with assurance, confidence, or force; state strongly or positively; affirm; aver: He asserted his innocence of the crime.
2.
to maintain or defend (claims, rights, etc.).
3.
to state as having existence; affirm; postulate: to assert a first cause as necessary.
Idioms
4.
assert oneself, to insist on one's rights, declare one's views forcefully, etc.: The candidate finally asserted himself about property taxes.
Origin: 1595–1605; < Latinassertus joined to, defended, claimed (past participle of asserere), equivalent to as-as- + ser- (see series) + -tus past participle suffix
Related forms
as·sert·er, as·ser·tor, noun
as·sert·i·ble, adjective
mis·as·sert, verb (used with object)
o·ver·as·sert, verb (used with object)
pre·as·sert, verb (used with object)
re·as·sert, verb (used with object)
Synonyms 1. asseverate, avow, maintain. See declare. 2. uphold, support. See maintain.
c.1600, "to declare," from L. assertus, pp. of asserere "to claim, maintain, affirm" (see assertion). To assert oneself "stand up for one's rights" is recorded from 1879.