systematical

The bad taste and systematical corruption of Rome had reached its acme when this theatre was opened and these games displayed by Pompey.

From The Life of Cicero Volume II. by Anthony Trollope

With respect to books on this subject, I do not know of any systematical ones, except Lamarck's which is veritable rubbish: but there are plenty, as Lyell, Pritchard, &c., on the view of the immutability.

From Charles Darwin: His Life in an Autobiographical Chapter, and in a Selected Series of His Published Letters by Charles Darwin

A systematical education, with long practice, has made him a consummate hypocrite....

From Junius Unmasked or, Thomas Paine the author of the Letters of Junius and the Declaration of Independence by Joel Moody

I considered the scheme as neither substantial, nor permanent, nor systematical, nor likely to be a corrective of evil influence.

From The Works of the Right Honourable Edmund Burke, Vol. 02 (of 12) by Edmund Burke

I shall publish in a little while a big book about the commonwealth of faery, and shall try to make it systematical and learned enough to buy pardon for this handful of dreams.

From The Celtic Twilight by W. B. (William Butler) Yeats