A model; type; highest conceivable state.
Something imaginary.
Ideally.
Pertaining to ideas; exiting only in idea; reaching the highest conception.
Yet this was by no means an ideal state of affairs. – John Redmond's Last Years by Stephen Gwynn
This is the ideal State. – Hints for Lovers by Arnold Haultain
What is an ideal marriage? – Hints for Lovers by Arnold Haultain