Im-pĕr'tur-bā'tion, n.
n. [Lat. imperturbatio, from prefix im, for in, not, and perturbatio. See PERTURBATION.] Freedom from agitation of mind; calmness; quietude. W. Montague.
n. [Lat. imperturbatio, from prefix im, for in, not, and perturbatio. See PERTURBATION.] Freedom from agitation of mind; calmness; quietude. W. Montague.