insomuch

• in so much (obsolete)

From Middle English insomuche; equivalent to in +‎ so +‎ much.

• IPA^(key): /ɪnsəʊˈmʌt͡ʃ/

insomuch (not comparable)

1. Because of; since; as a result of.

   Insomuch as you have consistently paid the bill on time before, we'll excuse one late payment.

2. To the extent that.
   • 1530 July 18, Iohan Palſgrave, “The Introduction”, in Leſclarciſſement de la langue francoyſe […] ‎^[1], London: Richard Pynſon, Iohan Haukyns, →OCLC, page 32; reprinted as Lesclarcissement de la langue françoyse, Genève: Slatkine Reprints, 1972:

     In ſo moche that if any verbe be of the thyꝛde coniugation / I ſet out all his rotes and tenſes […]

   • 1712 September 1 (Gregorian calendar), [Joseph Addison; Richard Steele et al.], “THURSDAY, August 21, 1712”, in The Spectator, number 463; republished in Alexander Chalmers, editor, The Spectator; a New Edition, […], volume V, New York, N.Y.: D[aniel] Appleton & Company, 1853, →OCLC:

     These weights did not exert their natural gravity […] insomuch that I could not guess which was light or heavy whilst I held them in my hand.

     The spelling has been modernized.

• inasmuch
• insofar