paragon
noun
[ ˈparəɡ(ə)n ]
• a person or thing regarded as a perfect example of a particular quality.
• "it would have taken a paragon of virtue not to feel viciously jealous"
Origin:
mid 16th century: from obsolete French, from Italian paragone ‘touchstone to try good (gold) from bad’, from medieval Greek parakonē ‘whetstone’.