1) Accurately 2) Adroitly 3) As an old hand 4) Cleverly 5) Dexterously 6) How pros do things 7) In a proficient manner 8) In an expert manner 9) Like a pro 10) Like an expert 11) Proficiently 12) Skilfully 13) Smoothly 14) Well 15) With a deft touch 16) With expertise 17) With high skill 1) Capably 2) Cunningly 
• (adv.) In a skillful or dexterous manner; adroitly; with readiness and accuracy.
Ex·pert'ly adverb In a skillful or dexterous manner; adroitly; with readiness and accuracy. 
[adv] - in an expert manner
like an expert adverb in an expert manner; `he repaired the TV set expertly`