competently

from WordNet (r) 3.0 (2006)

competently
    adv 1: with competence; in a competent capable manner; "they
           worked competently" [syn: {competently}, {aptly}, {ably},
           {capably}] [ant: {displaying incompetence},
           {incompetently}]

from The Collaborative International Dictionary of English v.0.48

Competently \Com"pe*tent*ly\, adv.
   In a competent manner; adequately; suitably.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

42 Moby Thesaurus words for "competently":
      ably, adeptly, adequately, adroitly, agilely, amply, aptly,
      artfully, artistically, brilliantly, capably, cleverly, cunningly,
      deftly, dexterously, dextrously, effectively, effectually,
      efficiently, enough, excellently, expertly, featly, handily,
      ingeniously, masterfully, minimally, neatly, nimbly, proficiently,
      resourcefully, satisfactorily, skillfully, spryly, substantially,
      sufficiently, superbly, well, with consummate skill, with finesse,
      with genius, with skill