to approve, support, or sustain

to endorse a political candidate.

to designate oneself as payee of (a check) by signing, usually on the reverse side of the instrument.

to sign one's name on (a commercial document or other instrument).

to make over (a stated amount) to another as payee by one's endorsement.

to write (something) on the back of a document, paper, etc.

to endorse instructions; to endorse one's signature.

to acknowledge (payment) by placing one's signature on a bill, draft, etc.

Heraldry . a narrow pale, about one quarter the usual width and usually repeated several times.

verb

censure , disapprove , oppose , protest , reject , repel , unauthorize

verb

accredit , advocate , affirm , approve , attest , authenticate , back , back up * , bless , boost , certify , champion , commend , confirm , countenance , defend , favor , give a boost to , give green light , give one’s word , give the go-ahead , give the nod , go along with , go to bat for * , go with , guarantee , lend one’s name to , okay , praise , push , ratify , recommend , rubber-stamp , sanction , second , stand behind , stand up for * , stump for , subscribe to , sustain , underwrite , uphold , vouch for , warrant , witness , add one’s name to , autograph , cosign , notarize , put john hancock on , put signature on , say amen to , sign , sign off on , sign on dotted line , subscribe , superscribe , undersign , inscribe , allow , approbate , authorize , consent , let , get behind , plump for , side with , stand by , bear out , corroborate , demonstrate , establish , evidence , show , substantiate , validate , verify , countersign , pledge , support , vouch