spectativus

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

spectātīvus, a, um, adj. [specto],

contemplative , speculative : thesin a causā sic distinguunt, ut illa sit spectativae partis, haec activae, Quint. 3, 5, 11: opp. actualis, Isid. 2, 24, 9.