PREFERENTIAL

discriminatory, preferential

(adjective) manifesting partiality; “a discriminatory tax”; “preferential tariff rates”; “preferential treatment”; “a preferential shop gives priority or advantage to union members in hiring or promoting”

Source: WordNet® 3.1

Adjective

preferential (comparative more preferential, superlative most preferential)

Of or relating to the showing or giving of preference.

Of or relating to a voting system in which the voters are allowed to indicate on their ballots their preference (usually their first and second choices) between two or more candidates, so that if no candidate receives a majority of first choices the one receiving the greatest number of first and second choices together is the winner.

Source: Wiktionary

Pref`er*en"tial, a.

Definition: Giving, indicating, or having a preference or precedence; as, a preferential claim; preferential shares.

Source: Webster’s Unabridged Dictionary 1913 Edition