Webster's Revised Unabridged Dictionary · 1913

Withal

Withal , adverb

[With + all.]

1.
With this; with that. [Obsolete]
He will scarce be pleased withal. — Shakespeare
2.
Together with this; likewise; at the same time; in addition; also. [Archaic]
Fy on possession But if a man be virtuous withal. — Chaucer
If you choose that, then I am yours withal. — Shakespeare
How modest in exception, and withal How terrible in constant resolution. — Shakespeare

Withal , preposition

With; -- put after its object, at the end of sentence or clause in which it stands. [Obsolete]
This diamond he greets your wife withal. — Shakespeare
Whatsoever uncleanness it be that a man shall be defiled withal. — Lev. v. 3