Akademik

endorse
v.tr. (also indorse)
1 a confirm (a statement or opinion). b declare one's approval of.
2 sign or write on the back of (a document), esp. the back of (a bill, cheque, etc.) as the payee or to specify another as payee.
3 write (an explanation or comment) on the back of a document.
4 Brit. enter details of a conviction for a motoring offence on (a driving licence).
Derivatives:
endorsable adj. endorsee n. endorser n.
Etymology: med.L indorsare (as IN-(2), L dorsum back)

Useful english dictionary. 2012.