Lewis & Short

fămŭlāris, e, adj. [famulus], of or belonging to servants or slaves (rare but class.): vestis, * Cic. Tusc. 1, 48, 116: turba, Stat. Ach. 2, 67: jugum, Sen. Troad. 747: jura, i. e. of subjugation, Ov. M. 15, 597: hederae, the Bacchantes, Val. Fl. 2, 268.
In the neutr. adverb., servilely: nec famulare timens, Stat. S. 3, 1, 40.