an act or instance of discriminating.

treatment or consideration of, or making a distinction in favor of or against, a person or thing based on the group, class, or category to which that person or thing belongs rather than on individual merit

racial and religious intolerance and discrimination.

the power of making fine distinctions; discriminating judgment

She chose the colors with great discrimination.

Archaic . something that serves to differentiate.

noun

fairness , tolerance , indifference , indiscrimination , promiscuity , undiscernment

noun

bigotry , favoritism , hatred , inequity , injustice , intolerance , partiality , prejudice , unfairness , wrong , acumen , acuteness , astucity , astuteness , bias , clearness , decision , difference , differentiation , discernment , distinction , judgment , keenness , penetration , perception , percipience , perspicacity , preference , refinement , sagacity , sense , separation , shrewdness , subtlety , taste , understanding , selectiveness , selectivity , clear-sightedness , eye , nose , perceptiveness , percipiency , sageness , wit , heed