Answer:

idealist

Answer	Crossword Clue
IDEALIST	Often-impractical one
IDEALIST	Schopenhauer or Hegel
IDEALIST	Utopian

IDEALIST	Visionary
IDEALIST	Visionary one
IDEALIST	Person with noble goals
IDEALIST	Romantic visionary
IDEALIST	Dreamer
IDEALIST	Visionary.
IDEALIST	Horatio Alger, for example.
IDEALIST	Dreamer.

IDEALIST	Visionary one.
IDEALIST	Person of principle
IDEALIST	Is detail good for dreamer?
IDEALIST	Utopia seeker
IDEALIST	VISTA worker, perhaps
IDEALIST	Don Quixote, e.g.
IDEALIST	Romantic
IDEALIST	Seeker of perfection; innovator's agenda?

IDEALIST	Pursuer of noble goals
IDEALIST	Person who cherishes high principles