Definition of "mastership" [mas•ter•ship]

• The office, function, or authority of a master. (noun)
• The skill or dexterity of a master. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And in destroying them they attempted to honour God by something displeasing to Him; and to use the language of men, God was angry with all destroyers of the works of great mastership, which is only attained by much toil, labour, and expenditure of time, and is bestowed by God alone."
• "Shakespeare's dramas -- not all of them indeed, but those which were written after he reached what may be called his mastership -- are in the highest sense of term Works of Art, and as such embody to the full the principles set forth in the preceding section."
• "Shakespeare's dramas ” not all of them indeed, but those which were written after he reached what may be called his mastership ” are in the highest sense of term Works of Art, and as such embody to the full the principles set forth in the preceding section."