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Verb: validate  'va-lu,deyt
  1. Declare or make legally valid
    - formalize, formalise [Brit]
  2. Prove valid; show or confirm the validity of something
  3. Give evidence for
    - corroborate
  4. Make valid or confirm the validity of
    "validate a ticket"

Derived forms: validated, validates, validating

Type of: affirm, alter, authorise [Brit], authorize, change, clear, confirm, corroborate, modify, pass, reassert, substantiate, support, sustain

Antonym: invalidate

Encyclopedia: Validate