WordNet
Usage examples of "make bold".
And if ever I go where Pliny is, I, a whaleman (more than he was), will make bold to tell him so.
Finally, sister Jerusha, for I make bold to call you this in the most fervent hope that you will accept my brother, for the spirit of joy I find in your letter is one that Abner sorely needs, I must warn you that he is both grave and vain, and if he were not destined for the ministry these would be insufferable traits, but his gravity and vanity spring from the same cause.