verb

certificar

certify

Definition & meaning

Certificar is a regular Spanish verb meaning to certify, attest, verify, or officially confirm that something is true, accurate, valid, or compliant with a standard.

Its main uses include:

  1. To officially confirm or attest to something

    • El notario certificó la autenticidad del documento.
      “The notary certified the authenticity of the document.”
  2. To certify that something meets certain requirements or standards

    • La empresa certifica la calidad de sus productos.
      “The company certifies the quality of its products.”
  3. To send something by certified mail

    • Voy a certificar la carta.
      “I am going to send the letter by certified mail.”
  4. Certificarse can mean to obtain certification or to become certified

    • La empresa se certificó según la norma internacional.
      “The company became certified according to the international standard.”

It is commonly followed by que when introducing the statement being confirmed:
El informe certifica que el producto es seguro.
“The report certifies that the product is safe.”

Grammar & Word origin

Certificar is a regular -ar verb.

  • yo certifico — I certify
  • tú certificas — you certify
  • él/ella certifica — he/she certifies
  • pretérito: certifiqué — I certified
  • past participle: certificado — certified
  • gerund: certificando — certifying

It comes from Latin certificāre, meaning “to make certain” or “to confirm,” from certus, meaning “certain” or “sure,” combined with -ificar, a suffix meaning “to make” or “to cause to become.”

Synonyms & antonyms

Synonyms

  • atestiguar — to testify or bear witness; emphasizes giving evidence based on knowledge or observation.
  • confirmar — to confirm; broader and less necessarily formal or official than certificar.
  • verificar — to verify or check whether something is correct; does not always involve issuing an official certification.
  • acreditar — to accredit, establish, or prove; often used for qualifications, identity, or institutional recognition.
  • validar — to validate; focuses on declaring something legally, technically, or procedurally acceptable.

Antonyms

There is no single exact antonym. Depending on the context, possible opposites include:

  • negar — to deny that something is true.
  • desmentir — to refute or contradict a claim.
  • invalidar — to invalidate or declare something no longer valid.
  • falsificar — to falsify or forge, especially a document or certification.

Common phrases & collocations

  • certificar un documento — to certify a document
  • certificar la autenticidad — to certify authenticity
  • certificar la calidad — to certify quality
  • certificar que algo es verdadero — to certify that something is true
  • correo certificado — certified mail
  • organismo certificador — certifying body or organization
  • estar certificado — to be certified
  • certificación oficial — official certification

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Examples

El doctor puede certificar mi salud.verb

The doctor can certify my health.

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