незабвенный
aeterna (immortali) memoria
помиловать
alicui veniam, impunitatem
научно-популярный
populari-scientificus [a, um];
innubis [e] (dies); innubilus [a, um] (aether); non nubilus; serenus [a, um]; sudus; candidus [a, um] (nox; hora; fatum; convivia; concordia);