'Skillful' in the Bible

The sons of Reuben and the Gadites and the half-tribe of Manasseh, consisting of valiant men, men who bore shield and sword and shot with bow and were skillful in battle, were 44,760, who went to war.

Chenaniah, chief of the Levites, was in charge of the singing; he gave instruction in singing because he was skillful.

Moreover, there are many workmen with you, stonecutters and masons of stone and carpenters, and all men who are skillful in every kind of work.

Their number who were trained in singing to the Lord, with their relatives, all who were skillful, was 288.