Webster's Revised Unabridged Dictionary · 1913

Designment

Designment , noun

1.
Delineation; sketch; design; ideal; invention. [Obsolete]
For though that some mean artist's skill were shown In mingling colors, or in placing light, Yet still the fair designment was his own. — Dryden
2.
Design; purpose; scheme. [Obsolete] — Shakespeare