(a.) Carefully exercising the power of choice.

accurate adoptive appointive appreciative censorious choicy choosing choosy clannish cliquish conscientious constituent critical delicate demanding differential discerning discriminate discriminating discriminative discriminatory distinctive distinguishing eclectic elect elective electoral ethnocentric exact exacting exceptional excluding exclusive exclusory fastidious fine inadmissible insular meticulous narrow nice parochial particular perfectionistic picky precise precisianistic preclusive prescriptive preventive priggish prohibitive prudish punctilious puristic puritanic refined restrictive scrupulous seclusive segregative select selecting sensitive separative snobbish snobby strict subtle tactful xenophobic