In`cho`a´tionn.1.Act of beginning; commencement; inception.The setting on foot some of those arts, in those parts, would be looked on as the first inchoation of them.- Sir M. Hale. It is now in actual progress, from the rudest inchoation to the most elaborate finishing.- I. Taylor. Webster’s Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.