Scottish. The improvement, development, or embellishment of an estate, building, etc. Obsolete.

spec. The action of improving or enhancing land or property; an instance of this. In early use also in plural: †the proceeds from such improvement…

spec. Chiefly Law (originally North American). An act of improving property, to an extent which enhances its value; the improvement thus made; an…

Originally and chiefly U.S. The action or process of renovating or refurbishing a building or apartment; renovation, restoration. Also: a…