(adj): vs. imperfect) -- (being complete of its kind and without defect or blemish
(adj): constituting or existing only in the form of an idea or mental image or conception
(adj): vs. concrete) -- (existing only in the mind; separated from embodiment
(adj): of or relating to the philosophical doctrine of the reality of ideas
(n): the idea of something that is perfect; something that one hopes to attain
(n): the content of cognition; the main thing you are thinking about
(n): model of excellence or perfection of a kind; one having no equal
(n): someone worthy of imitation
Shooting nothing but the net when you are playing basketball is ideal.