Ū'ni-fȳ, v. t.

v. t. [imp. & p. p. UNIFIED; p. pr. & vb. n. UNIFYING.] [Lat. unus, one, and facere, to make.] To cause to be one; to make into a unit; to unite; to view as one. “A comprehensive or unifying act of the judging faculty.” De Quincey.

Perception is thus a unifying act. Sir W. Hamilton.