Paragon (noun)

1. A person or thing regarded as a perfect example of a particular quality.
2. A model of excellence or perfection.

Origin:

Late middle english: from old french paragon, from italian paragone, literally "touchstone" (used for testing the purity of gold or silver by rubbing it on the stone and comparing the streak left with that of a known standard), from paragonare "to touch or try with a touchstone", from par- (from latin par "equal") + ago "to do".

Examples:

1. She is a paragon of virtue.
2. He is a paragon of patience.
3. The new car is a paragon of design and engineering.
4. The novel is considered a paragon of the genre.
5. She set a paragon example for her children.