Verb

1. assert, asseverate, maintain, insist, take a firm stand

usage: state categorically

2. affirm, verify, assert, avow, aver, swan, swear, declare

usage: to declare or affirm solemnly and formally as true; "Before God I swear I am innocent"

3. assert, put forward, behave, acquit, bear, deport, conduct, comport, carry

usage: insist on having one's opinions and rights recognized; "Women should assert themselves more!"

4. insist, assert, postulate, posit

usage: assert to be true; "The letter asserts a free society"

See also: assert (Dictionary)