acmes, beau ideals, bywords, classics, epitomes, exemplars, ideals, perfections, quintessences
archetypes, models, prototypesparadigms, standardsnonpareils, paragonsabstracts, avatars, embodiers, embodiments, incarnations, incorporations, manifestations, personificationsheights, last words, meridians, ultimates, zenithsbenchmarks, criteria(also criterions), touchstones, yardsticks