WordWeight : Weighing the Words

Pronunciation : Sub*sump"tion
Part of Speech : n.
Definition : 1. The act of subsuming, or of including under another. The first act of consciousness was a subsumption of that of which we were conscious under this notion. Sir W. Hamilton.

2. That which is subsumed, as the minor clause or premise of a syllogism. But whether you see cause to go against the rule, or the subsumption under the rule. De Quincey.
Source : Webster's Unabridged Dictionary, 1913