adiectivus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

adjectīvus, a, um, adj. [adicio], in gram.,

that is added to the noun substantive, adjective : et significat vel laudem vel vituperationem, vel medium vel accidens, ut justus, impius, magnus, albus, Prisc. p. 578 P.; cf. Macr. S. 1, 4.