From The Collaborative International Dictionary of English v.0.48:
Adventure \Ad*ven"ture\, v. t. [imp. & p. p. Adventured; p. pr. & vb. n. Adventuring.] [OE. aventuren, auntren, F. aventurer, fr. aventure. See Adventure, n.] 1. To risk, or hazard; jeopard; to venture. [1913 Webster]
He would not adventure himself into the theater. --Acts xix. 31. [1913 Webster]
2. To venture upon; to run the risk of; to dare. [1913 Webster]
Yet they adventured to go back. --Bunyan, [1913 Webster]
Discriminations might be adventured. --J. Taylor. [1913 Webster]