validate

validate — verb

1. To check something carefully according to a set of rules, and then declare that

1.verbtransitiveB2
Definition

To check something carefully according to a set of rules, and then declare that it meets the required standard — for example, when an official stamps a document to confirm it is valid, or a committee approves an application after reviewing it.

Example

The lab technician validated the test results before sending them to the doctor.

passive alternative: results are validated by an expert

Mert took his parking ticket to the shop counter to have it validated.

have + object + validated (causative pattern)

Common collocations
  • validate a document
  • validate a ticket
  • validate a passport
  • validate results
  • validate an election
  • validate an application
Synonyms
  • approve

    broader meaning — 'approve' can mean simply 'agree with', while 'validate' implies checking against specific rules

  • certify

    more specific — 'certify' usually involves an official written document or license

  • authenticate

    focuses on proving something is genuine rather than checking it meets standards

Antonyms
  • invalidate

    direct opposite — to declare something officially unacceptable or void

  • reject

    to refuse to accept or approve

Grammar Patterns

validate + noun phrase (document, ticket, result, application)

Usage Note

Frequently used in passive constructions (be validated, get validated, have something validated). Common in administrative, legal, and official formal contexts — not typically used for casual personal approval.

Common Mistakes

The manager validated my vacation request by signing it.
The manager approved my vacation request by signing it.
'validate' means officially confirming something meets a standard, not simply giving permission.

2. To show through evidence or testing that a claim, piece of data, or theory is tr

2.verbtransitiveB2
Definition

To show through evidence or testing that a claim, piece of data, or theory is true or accurate — for instance, when new experimental findings confirm a previous scientific hypothesis.

Example

Dr. Chen's experiment validated the team's theory about how birds navigate.

scientific context: validate + theory / findings

The survey data validated what residents had been saying about the lack of streetlights.

Common collocations
  • validate a theory
  • validate findings
  • validate data
  • validate a claim
  • validate a hypothesis
  • validate results
Synonyms
  • confirm

    more general — 'confirm' can be used in everyday situations; 'validate' suggests stronger, more systematic evidence

  • verify

    focuses on checking accuracy against a known standard; 'validate' checks whether something is true or correct

  • corroborate

    more formal — 'corroborate' means to support with additional evidence from a different source

Antonyms
  • disprove

    to prove that something is false through evidence

  • contradict

    to be in opposition to a claim or piece of evidence

Grammar Patterns

validate + noun phrase (theory, claim, data, findings)

validate + that-clause

Usage Note

Common in academic and scientific writing. The subject is often a study, experiment, data set, or piece of evidence. Can also be used for personal experiences or feelings when evidence shows they were justified.

Common Mistakes

My friend validated my story by nodding.
My friend confirmed my story by nodding.
'validate' usually implies formal or evidence-based confirmation, not casual agreement.