OPTIMAL

OPTIMAL is best, most favorable, most effective or most desirable. But we don’t use OPTIMAL to describe winning a race or achieving a perfect score. And we don’t use OPTIMAL to mean IDEAL or the fully perfect state. We use OPTIMAL to mean the most favorable outcome within a restricted set of conditions, or the most favorable conditions to achieve a specific result. OPTIMAL is a conditional IDEAL.

Idealistic could mean impractical – the perfect is never reached.  Optimistic is positive (the opposite of pessimistic) but it could also be considered impractical or unrealistic – expecting a good outcome regardless of the circumstances. Maybe not an official word but OPTIMALISTIC sounds like the preferred state – the way to reach PRACTICAL IDEALISM