Assert and Certify

verb

• State categorically.
  • synonyms: asseverate, maintain
• To declare or affirm solemnly and formally as true.
  • usage: "Before God I swear I am innocent"
  • synonyms: affirm, verify, avow, aver, swan, swear
• Insist on having one's opinions and rights recognized.
  • usage: "Women should assert themselves more"
  • synonyms: put forward
• Assert to be true.
  • usage: "The letter asserts a free society"
  • synonyms: insist

• (v.t.) To maintain; to defend.
• (v.t.) To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to; as, to assert our rights and liberties.
• (v.t.) To affirm; to declare with assurance or plainly and strongly; to state positively; to aver; to asseverate.

verb

• Provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes.
  • usage: "His high fever attested to his illness"; "The buildings in Rome manifest a high level of architectural sophistication"; "This decision demonstrates his sense of fairness"
  • synonyms: attest, manifest, demonstrate, evidence
• Guarantee payment on; of checks.
• Authorize officially.
  • usage: "I am licensed to practice law in this state"
  • synonyms: license, licence
• Guarantee as meeting a certain standard.
  • usage: "certified grade AAA meat"
  • synonyms: endorse, indorse
• Declare legally insane. .

• (v.t.) To give certain information of; to make certain, as a fact; to verify.
• (v.t.) To testify to in writing; to make a declaration concerning, in writing, under hand or hand and seal.
• (v.t.) To give cetain information to; to assure; to make certain.