ideal

nouns

the idea of something that is perfect; something that one hopes to attain
is derived from
is derived from
is derived from
is derived from
is a type of (narrower)
the content of cognition; the main thing you are thinking about
"it was not a good idea"; "the thought never entered my mind"
model of excellence or perfection of a kind; one having no equal

adjectives

conforming to an ultimate standard of perfection or excellence; embodying an ideal
is derived from
is similar to
being complete of its kind and without defect or blemish
"a perfect circle"; "a perfect reproduction"; "perfect happiness"; "perfect manners"; "a perfect specimen"; "a perfect day"
constituting or existing only in the form of an idea or mental image or conception
"a poem or essay may be typical of its period in idea or ideal content"
is derived from
is derived from
is similar to
existing only in the mind; separated from embodiment
"abstract words like `truth' and `justice'"
of or relating to the philosophical doctrine of the reality of ideas
pertains to