Open English Wordnet
Nouns
(n)differentiation, distinctiona discrimination between things as different and distinct on the basis of their characteristics or attributes“it is necessary to make a distinction between love and infatuation”
(n)eminence, distinction, preeminence, notehigh status importance owing to marked superiority“a scholar of great eminence”
(n)distinctiona distinguishing difference between similar things or people“he learned the distinction between gold and lead”
(n)distinctionan honor awarded to someone in recognition of achievement or superiority“she graduated with the highest distinction”