dis·tinc·tion 
(dĭ-stĭngkshən)
(dĭ-stĭngkshən)n.
1.
a. The act of distinguishing; differentiation: economists making an ongoing distinction between domestic and foreign markets.
b. The condition or fact of being dissimilar or distinct; difference: "the crucial distinction between education and indoctrination" (A. Bartlett Giamatti). See Synonyms at difference.
2. A distinguishing factor, attribute, or characteristic: a legal system blind to distinctions of race, gender, and class.
3.
a. Excellence or eminence, as of performance, character, or reputation: a diplomat of distinction.
b. A special quality or accomplishment conferring uniqueness or honor: has the distinction of being the tallest in his class.
c. Recognition of achievement or superiority; honor: graduated with distinction.
d. An award or honor given to someone for outstanding achievement: won many distinctions while in the military.