ideally

Concise Oxford English Dictionary © 2008 Oxford University Press:
ideal/ʌɪˈdiːəl/

▶adjective

• 1 most suitable; perfect.

• 2 desirable or perfect but existing only in the imagination: in an ideal world.

  ■ representing an abstract or hypothetical optimum.

▶noun a person or thing regarded as perfect.

■ a standard or principle to be aimed at.

– derivatives
ideally adverb.

– origin ME (as a term in Platonic philosophy, in the sense ‘existing as an archetype’): from late L. idealis, from L. idea (see idea).