preferential
adjectivemasculine/feminine/pɾɨfɨɾẽˈsjal/high
pre·fe·ren·ci·al
Definition
That has or gives preference; that is priority or advantageous.
The elderly have preferential seating on the bus.
The company offers a preferential interest rate to its best customers.
Etymology
Do latim 'praeferre' + sufixo '-encial'.