Synonyms for endorse

verb

1. To inscribe one's name

   sign, put one's signature on, countersign, underwrite, sign one's name on, inscribe one's signature, subscribe, superscribe, authorize, notarize, validate, legalize, initial, pay over, make over, put the seal to, say amen to, sign on the dotted line, autograph a check*, put one's John Hancock on*.

2. To indicate one's active support of

   approve, confirm, sanction, ratify, sponsor, back, guarantee, underwrite, support, lend one's name to, stand up for, stand behind, vouch for, uphold, recommend, commend, praise, defend, champion, give one's word for, OK, back up, get behind*, go to bat for*; see also approve 1.

   Antonyms censure*, condemn, denounce. See syn. study at approve.approve.