professionally

from WordNet (r) 3.0 (2006)

professionally
    adv 1: in a professional manner; "professionally trained staff"

from The Collaborative International Dictionary of English v.0.48

Professionally \Pro*fes"sion*al*ly\, adv.
   In a professional manner or capacity; by profession or
   calling; in the exercise of one's profession; one employed
   professionally.
   [1913 Webster]