Lewis & Short

per-lībĕrālis, e, adj., very well bred, very genteel, Ter. Hec. 5, 4, 24.
Adv.: per-lībĕrālĭter, very graciously, very liberally, Cic. Att. 10, 4, 10: agere, id. Rosc. Am. 37, 108.