dementate

dementate

(dɪˈmɛnˌteɪt)
adj
deprived of one's sanity; mad
vb (tr)
to cause (a person) to become demented
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014