verb (v)

• state categorically(verb.communication)

  Synonym:
  asseverate, maintain
  

  source: wordnet30
• to declare or affirm solemnly and formally as true(verb.communication)

  Synonym:
  affirm, aver, avow, swan, swear, verify
  

  source: wordnet30
• insist on having one's opinions and rights recognized(verb.social)

  Example:
  Women should assert themselves more!.
  

  Synonym:
  put forward
  

  source: wordnet30
• assert to be true(verb.cognition)

  Example:
  The letter asserts a free society.
  

  Synonym:
  insist
  

  source: wordnet30
• To affirm; to declare with assurance, or plainly and strongly; to state positively; to aver; to asseverate.(verb)

  source: webster1913