• declare one's public approval or support of

Synonyms: uphold, support, defend, maintain, confirm, ratify, endorse, approve (of), agree to, consent to, assent to, sanction

• sign (a cheque or bill of exchange) on the back to make it payable to someone other than the stated payee or to accept responsibility for paying it

Synonyms: countersign, sign on the back, initial, autograph, put one's mark on, inscribe, superscribe

• (in the UK) mark (a driving licence) with the penalty points given as a punishment for a driving offence

• (in South Africa under apartheid) order a black person to leave an urban area for failing to meet certain requirements of the Native Laws Amendment Act