Insomuch

King James Dictionary

Insomuch', adv. in,so, and much. So that to that degree.

Simonides was an excellent poet,insomuch that he made his fortune by it.

This word or combination of words is not deemed elegant, and is obsolescent, at least in classical composition.

Webster's Dictionary

(adv.) So; to such a degree; in such wise; - followed by that or as, and formerly sometimes by both. Cf. Inasmuch.