Definition of "blameable"

I say, I have never much distinguished thee, not because I did not see that in thee which I might well have praised, but because I saw something blameable, which such praises might have made worse.

1820, [Walter Scott], chapter XV, in The Abbot. […], volume I, Edinburgh: […] [James Ballantyne & Co.] for Longman, Hurst, Rees, Orme, and Brown, […]; and for Archibald Constable and Company, and John Ballantyne, […], page 332