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.
(..) This is what I am looking for here, tool belt. There you go. Not to bitch. But won't I be needing some tools. Tools I've got but I am not going to lend you my tool belt. You can pick up tools as you go. I really appreciate all this. - Forget it. No, I really do (..)2008 Gran Torino