Webster's Revised Unabridged Dictionary · 1913

Therefore

Therefore , conj. & adv.

[Old English therfore. See There, and Fore, adv., For, and compare Therefor.]

1.
For that or this reason, referring to something previously stated; for that.
I have married a wife, and therefore I can not come. — Luke xiv. 20
Behold, we have forsaken all, and followed thee; what shall we have therefore? — Matt. xix. 27
2.
Consequently; by consequence.
He blushes; therefore he is guilty. — Spectator