1. In a professional manner
   "professionally trained staff"

See also: professional

• sink or swim
• sinkable
• sinker
• sinkhole
• Sinkiang
• sinking
• sinking feeling
• sinking fund
• sinking spell
• sinless
• sinlessness
• Sinn Féin
• sinner
• sinning
• Sinningia
• Sinningia speciosa
• Sino-
• Sino-Japanese War
• Sino-Tibetan
• Sino-Tibetan language
• sinoatrial node
• Sinologist
• Sinology
• sinoper
• sinopia