Source : Webster's Revised Unabridged Dictionary (1913)

Preeminently \Pre*["e]m"i*nent*ly\, adv.
   In a pre["e]minent degree.

Source : WordNet®

preeminently
     adv : to a preeminent degree; with superiority or distinction
           above others; in a preeminent manner; "a wide variety
           of pre-eminently contemporary scenes" [syn: {pre-eminently}]