validate

/ˈva-lə-ˌdāt/

borrowed from Medieval Latin validātus, past participle of validāre "to make valid," derivative of Latin validus "in good health, having legal authority"

verb

  1. to make legally valid : ratify

  2. to grant official sanction to by marking

  3. to confirm the validity of (an election); also : to declare (a person) elected

validated her passport

confirm corroborate substantiate verify authenticate validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact. corroborate suggests the strengthening of what is already partly established.