Differentiate

1. v. i. To acquire a distinct and separate character.
2. v. t. To distinguish or mark by a specific difference; to effect a difference in, as regards classification; to develop differential characteristics in; to specialize; to desynonymize.
3. v. t. To express the specific difference of; to describe the properties of (a thing) whereby it is differenced from another of the same class; to discriminate.
4. v. t. To obtain the differential, or differential coefficient, of; as, to differentiate an algebraic expression, or an equation.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.