Noah Webster
Perturbation
PERTURBA'TION, noun [Latin perturbatio.]
1. Disquiet or agitation of mind.
2. Restlessness of passions; great uneasiness.
3. Disturbance; disorder; commotion in public affairs.
4. Disturbance of passions; commotion of spirit.
5. Cause of disquiet.
O polished perturbation golden care!