1) Characteristic 2) Differential 3) Disjunctive 4) Identifying 1) Characteristic 2) Distinctive 3) Identifying 
In law, to distinguish a case means a court decides the holding or legal reasoning of a precedent case will not apply due to materially different facts between the two cases. There are two formal constraints on the later court: the factors in the ratio of the earlier case must be retained in formulating the ratio of the later case, and the ruling ...
• (p. pr. & vb. n.) of Distinguish • (a.) Constituting difference, or distinction from everything else; distinctive; peculiar; characteristic.
Dis·tin'guish·ing adjective Constituting difference, or distinction from everything else; distinctive; peculiar; characteristic. « The distinguishing doctrines of our holy religion.» Locke. Distinguishing pennant (Nautical) , 
[adj] - serving to distinguish or identify a species or group
identifying(a) adjective serving to distinguish or identify a species or group; `the distinguishing mark of the species is its plumage`; `distinctive tribal tattoos`; `we were asked to describe any identifying marks or distinguishing features`
distinctive; characteristic, as a definitive feature of an individual or group: Intricate rhyming is a distinguishing feature of her poetry.