verb (used with object), val·i·dat·ed, val·i·dat·ing.

  1. to make valid; substantiate; confirm: Time validated our suspicions.
  2. to give legal force to; legalize.
  3. to give official sanction, confirmation, or approval to, as elected officials, election procedures, documents, etc.: to validate a passport.

verb (tr)

  1. to confirm or corroborate
  2. to give legal force or official confirmation to; declare legally valid

v.1640s, from Latin validatus, from validus (see valid). Related: Validated; validating.

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