silentiosus

sĭlentĭōsus, a, um, adj. [silentium],

• perfectly still or silent: nactus opacae noctis silentiosa secreta, Ap. Met. 11, 1, 4.—Adv.: sĭlentĭōsē, stilly, silently: silentiose geritur publicum bonum, Cassiod. Var. 11, 1 med.