The Collaborative International Dictionary of English v.0.48:

Perturbate \Per"tur*bate\, v. t. [From L. perturbatus, p. p.]
   To perturb. [Obs.] --Dr. H. More.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Perturbate \Per"tur*bate\, a.
   Perturbed; agitated. [R.]
   [1913 Webster]