Definition of "purty"

Seen a purty girl down the road. Give her a big wink, too. Purty as hell, too.

1939, John Steinbeck, chapter 22, in The Grapes of Wrath

They treated us purty good but we had to work hard.

2004, Randall Williams, Weren't No Good Times: Personal Accounts of Slavery in Alabama, John F. Blair, Publisher, page 114

Wall, be that as it may, ol' Hosshead was a purty good citizen in his day, an' he shore did make Juneybell toe the mark.

1988, Herbert M. Sutherland, Tall Tales of the Devil's Apron, The Overmountain Press, page 97