It's surprising that he would 'lend his name' to such a venture. [=that he would allow his name to be associated with such a venture]
A growing amount of evidence 'lends weight/credence/credibility' to their theory. [=makes their theory seem true or correct]
A bit of grated carrot 'lends' some color to the dish. = A bit of grated carrot 'lends' the dish some color.
(..) than the beggar. You are suspended for six months without pay. Six months? Effective immediately. Have you anything to say? Could you lend me francs? I- Will you get out? Out of my sight! Yes. Idiot. My blood pressure. (..)1975 The Return of the Pink Panther