Webster’s Revised Unabridged Dictionary · 1913
Materially
Ma·te′ri·al·ly, adv. 1. In the state of matter.
I do not mean that anything is separable from a body by fire that was not materially preëxistent in it. Boyle.
2. In its essence; substantially.
An ill intention is certainly sufficient to spoil . . . an act in itself materially good. South.
3. In an important manner or degree; essentially; as, it materially concerns us to know the real motives of our actions.