ability learned through training or practice; often describes workers

shows great skill in how something is done, not just who does it (UK spelling: skilful)

has done something many times and learned from it

has the official certificates or training required for a job

good enough at something; meets the standard, not necessarily excellent

has the ability to do something; used to say what someone can achieve

has the highest level of knowledge or skill in a specific field

formal word for skilled, especially in a language or technical skill

highly skilled, often used to praise artists, musicians or performers