a. [ad. L. æstimātōrius, f. æstimātor: see prec.] (See quots.)

1

1736–1800.  Bailey, Æstimatory, of or belonging to pricing or valuing; for a price or estimation.

2

1818.  Colebrooke, Treat. Obligations & Contracts, I. 18. Estimatory contract (binding in the alternative to sell for a fixt price or return the goods).

3