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Another word for authenticate

a-z
Verb
  1. To assure the certainty or validity of

      1. A judicial writ authorizing the search or seizure of property, arrest of a person, or the execution of a legal judgment.
      2. A voucher authorizing payment or receipt of money.
      3. An option to buy stock at a specified price from an issuing company.
      1. To demonstrate the truth or accuracy of, as by the presentation of evidence:
      2. To attest to the truth of (something) formally or under oath.
      3. To make a formal verification in support of (a pleading).
      1. To establish the soundness, accuracy, or legitimacy of:
      2. To declare or make legally valid:
      3. To mark with an indication of official sanction:
      1. To give testimony in a legal case or before a deliberative body:
      2. To express or declare a strong belief, especially to make a declaration of faith.
      3. To make a statement based on personal knowledge in support of an asserted fact; bear witness:
      1. To prove the truth of or support with proof or evidence:
      2. To give substance to; make real or actual.
      1. To demonstrate or prove to be just, right, or valid:
      2. To free (a human) of the guilt and penalty attached to grievous sin. Used of God.
      3. To demonstrate sufficient legal reason for (an action taken).
      1. A thing or set of things helpful in forming a conclusion or judgment:
      2. Something indicative; an indication or set of indications:
      3. The means by which an allegation may be proven, such as oral testimony, documents, or physical objects.
      1. To strengthen or support with other evidence; make more certain.
      1. To support or establish the certainty or validity of; verify:
      2. To reaffirm the establishment of (a reservation or advance arrangement).
      3. To make firmer; strengthen:
      1. The part of the trunk of the human body along and to the sides of the spine between the neck and the pelvis; the dorsum.
      2. The analogous dorsal region in other animals.
      3. The backbone or spine.
      1. To affirm to be correct, true, or genuine:
      2. To certify by signature or oath:
      3. To certify in an official capacity.
  2. To establish as true or genuine

      1. To demonstrate the truth or accuracy of, as by the presentation of evidence:
      2. To attest to the truth of (something) formally or under oath.
      3. To make a formal verification in support of (a pleading).
      1. To establish the soundness, accuracy, or legitimacy of:
      2. To declare or make legally valid:
      3. To mark with an indication of official sanction:
      1. To prove the truth of or support with proof or evidence:
      2. To give substance to; make real or actual.
      1. To cause or allow to be seen; display:
      2. To display for sale, in exhibition, or in competition:
      3. To permit access to (a house, for example) when offering for sale or rent.
      1. To establish the truth or validity of (something) by the presentation of argument or evidence:
      2. To demonstrate the reality of (something):
      3. To show (oneself) to be what is specified or to have a certain characteristic:
      1. A thing or set of things helpful in forming a conclusion or judgment:
      2. Something indicative; an indication or set of indications:
      3. The means by which an allegation may be proven, such as oral testimony, documents, or physical objects.
      1. To cause (an institution, for example) to come into existence or begin operating; found; set up.
      2. To bring about; generate or effect:
      3. To place or settle in a secure position or condition:
      1. To express approval of or give support to, especially by public statement; sanction:
      2. To recommend (a product), often in exchange for payment, as in an advertisement.
      3. To write one's signature on the back of (a check) to obtain the amount payable or to make the amount payable available to a third party or to the bearer.
      1. To show clearly and deliberately; manifest:
      2. To show to be true by reasoning or adducing evidence; prove:
      3. To present by experiments, examples, or practical application; explain and illustrate:
      1. To strengthen or support with other evidence; make more certain.
      1. To support or establish the certainty or validity of; verify:
      2. To reaffirm the establishment of (a reservation or advance arrangement).
      3. To make firmer; strengthen:

Another word for authenticate

Verb
      1. To establish the soundness, accuracy, or legitimacy of:
      2. To declare or make legally valid:
      3. To mark with an indication of official sanction:
      1. To support or establish the certainty or validity of; verify:
      2. To reaffirm the establishment of (a reservation or advance arrangement).
      3. To make firmer; strengthen:
      1. To demonstrate the truth or accuracy of, as by the presentation of evidence:
      2. To attest to the truth of (something) formally or under oath.
      3. To make a formal verification in support of (a pleading).