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1. Be behind; approve of
   - back, indorse, plump for, plunk for, support
    
2. Give support or one's approval to
   "endorse a new project"
   - second, back, indorse
    
3. Guarantee as meeting a certain standard
   - certify, indorse
    
4. Sign as evidence of legal transfer
   "endorse cheques"
   - indorse

Derived forms: endorses, endorsed, endorsing

See also: endorsement, endorser

Type of: approve, back up, guarantee, O.K., okay, sanction, sign, support, warrant

Encyclopedia: Endorse