ideal

[1]	model , paragon , standard , criterion , paradigm , exemplar , pattern , example , epitome
[2]	acme , paragon , nonpareil , (standard of) perfection , nonpareil , saint , apotheosis , nonesuch , nonsuch
[3]	ideals , principles , morals , standards

adj.

[1]	perfect , excellent , supreme , consummate , complete , model , idyllic
[2]	conceptual , idealistic , imagined , imaginary , unreal , visionary , idealistic , fictitious , Utopian , notional , mythical/mythic , fantasy , dream , romantic , chimeric(al) , illusory , fanciful , fancied