Some common synonyms of approve are accredit, certify, endorse, and sanction. While all these words mean "to have or express a favorable opinion of...

Both accredit and certify usually imply official endorsement attesting to conformity to set standards. // the board voted to accredit the college /...

Although the words endorse and approve have much in common, endorse suggests an explicit statement of support. // publicly endorsed her for Senator

In some situations, the words sanction and approve are roughly equivalent. However, sanction implies both approval and authorization. // the Presid...