dementate
Webster's Dictionary (GCIDE)
Dementate \De*men"tate\, a. [L. dementatus, p. p. See Dement, v. t.] Deprived of reason. [1913 Webster]
Arise, thou dementate sinner! --Hammond. [1913 Webster]
Dementate \De*men"tate\v. t. To deprive of reason; to dement. [R.] --Burton. [1913 Webster]