безмятежный
imperturbatus [a, um]; quietus [a, um]; tranquillus [a, um]; placidus [a, um] (quies); placatus [a, um]; candidus [a, um] (nox; hora; fatum; convivia; concordia); vacuus [a, um] (animo, animi; v. ac solutus); serenus [a, um]; otiosus [a, um];