Source : Webster's Revised Unabridged Dictionary (1913)

Competently \Com"pe*tent*ly\, adv.
   In a competent manner; adequately; suitably.

Source : WordNet®

competently
     adv : in a competent capable manner; "they worked competently"
           [syn: {aptly}, {ably}, {capably}, {with competence}]
           [ant: {incompetently}]